HomeMy WebLinkAbout20060268 Ver 1_Year 2 Monitoring Report_200905210b-OJA
ANNUAL MONITORING REPORT
BOLD RUN
STREAM AND BUFFER RESTORATION
WAKE COUNTY, NORTH CAROLINA
(EEP Project Number 439)
Monitoring Year 2 of 5 (2008)
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Submitted to:
North Carolina Department of Environment and Natural Resources
Ecosystem Enhancement Program
Raleigh, North Carolina
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WANCEMENT PROGRAM
December 2008
ANNUAL MONITORING REPORT
BOLD RUN
STREAM AND BUFFER RESTORATION
WAKE COUNTY, NORTH CAROLINA
(EEP Project Number 439)
Monitoring Year 2 of 5 (2008)
Submitted to:
North Carolina Department of Environment and Natural Resources
Ecosystem Enhancement Program
Raleigh, North Carolina
Prepared by:
Axiom Environmental, Inc.
2126 Rowland Pond Drive
Willow Spring, North Carolina 27592
Design Firm:
KCI Associates of North Carolina, PA
4601 Six Forks Road
Raleigh, NC 27609
Axiom Environmental, Inc.
f
December 2008
EXECUTIVE SUMMARY
The Bold Run Stream and Buffer Restoration Site (Site) is located five miles northwest of the Town of
Wake Forest on Bold Hill Road, approximately 1.5 miles east of the intersection with Mangum Dairy
Road in Wake County. The Site is located within United States Geological Survey Hydrologic Unit
03020201065010 (North Carolina Division of Water Quality Subbasin 03-04-08) of the Neuse River
Basin. The Site was identified to assist the North Carolina Ecosystem Enhancement Program in meeting
stream and buffer restoration goals. This report summarizes data for year 2 (2008) monitoring.
Primary activities at the Site included stream restoration and riparian buffer restoration by stabilizing
stream banks, installing in-stream structures, adjusting stream planform, and replanting riparian areas
with native vegetation. Project restoration efforts provided 1629 Stream Mitigation Units and 27.1 Buffer
Mitigation Units.
Fifteen vegetation plots (10-meters square) were established and permanently monumented following Site
construction with five plots established in the streamside riparian buffer planting zone and ten plots
within the remaining buffer area. Plots were surveyed in August and September 2008 for the year 2
(2008) monitoring season. Based on the number of stems counted, average densities were measured at
456 planted stems per acre surviving in year 2 (2008). The dominant species identified at the Site were
planted stems of green ash (Fraxinus pennsylvanica), cherrybark oak (Quercus pagoda), and willow oak
(Quercus phellos). In addition, each individual plot met success criteria and no vegetation problem areas
were noted during the year 2 (2008) monitoring season.
Five permanent cross-sections were established after construction was completed. Measurements of each
cross-section include points at all breaks in slope including top of bank, bankfull, and thalweg. Riffle
cross-sections are classified using the Applied Fluvial Morphology (Rosgen) stream classification system.
Longitudinal profile measurements of the entire Site restoration reaches include thalweg, water surface,
and bankfull; with each measurement taken at the head of facets (i.e. riffle, run, pool, and glide) in
addition to the maximum pool depth. Visual assessments of in-stream structures were conducted to
determine if failure has occurred. Failure of a structure may be indicated by collapse of the structure,
undermining of the structure, abandonment of the channel around the structure, and/or stream flow
beneath the structure.
Success criteria for stream restoration reaches should show little to no change from the as-built channel
over the five-year monitoring period. Year 2 (2008) monitoring measurements indicate that there have
been minimal changes in both the longitudinal profile and cross-sections as compared to as-built data.
Stream problem areas documented within the Site during the year 2 (2008) monitoring year consisted of a
large beaver dam at the downstream extent of the Site near the confluence with New Light Creek and an
area of stream widening and bank erosion near cross-section 5. Beaver activity has resulted in backwater
effects from the beaver dam. Proactive maintenance measures including the removal of existing beaver
dams and beaver is recommended, as necessary.
In summary, the Site achieved success criteria for vegetation and stream attributes in the Second
Monitoring Year (2008).
Bold Run (final) Axiom Environmental, Inc. Monitoring Year 2 of 5 (2008)
EEP Project Number 439 December 2008
Wake County, North Carolina page i
Table of Contents
EXECUTIVE SUMMARY ...................................................................................................................... i
1.0 PROJECT BACKGROUND .............................................................................................................1
1.1 Location and Setting ..................................................................................................................... l
1.2 Project Objectives .........................................................................................................................1
1.3 Project Structure, Restoration Type, and Approach ........................................................................ l
1.4 Project History and Background ....................................................................................................3
1.5 Monitoring Plan View ................................................................................................................... 5
2.0 PROJECT CONDITION AND MONITORING RESULTS .............................................................. 5
2.1 Vegetation Assessment ................................................................................................................. 5
2.2 Stream Assessment ....................................................................................................................... 5
2.2.1 Bankfull Events ........................................................................................................ 5
2.2.3 Stream Problem Areas ............................................................................................... 6
2.2.4 Categorical Stream Feature Visual Stability Assessment ............................................6
2.2.5 Quantitative Stream Measurements ........................................................................... 6
3.0 REFERENCES ............................................................................................................................... 10
List of Figures
Figure 1. Site Location ...........................................................................................................................2
Figure C 1. Monitoring Plan View .......................................................................................... Appendix C
List of Tables
Table 1. Site Restoration Structures and Objectives ................................................................................3
Table 2. Project Activity and Reporting History ......................................................................................3
Table 3. Project Contacts Table ..............................................................................................................4
Table 4. Project Background Table .........................................................................................................4
Table 5. Verification of Bankfull Events ................................................................................................. 6
Table 6. Categorical Stream Feature Visual Stability Assessment ............................................................6
Table 7. Baseline Morphology and Hydraulic Summary ......................................................................... 8
Table 8. Morphology and Hydraulic Monitoring Summary ..................................................................... 9
---- ---------
Bold Run (final) Axiom Environmental, Inc. Monitoring Year 2 of 5 (2008)
EEP Project Number 439 December 2008
Wake County, North Carolina page ii
Appendices
APPENDIX A. VEGETATION DATA
1. Vegetation Survey Data Tables
2. Vegetation Monitoring Plot Photos
APPENDIX B. GEOMORPHOLOGIC DATA
1. Table B 1. Stream Problem Areas and Photographs
2. Fixed-Station Photos
3. Tables 132. Qualitative Visual Stability Assessment
4. Cross-section Plots and Tables
5. Longitudinal Profile Plots
6. Pebble Count Plots
APPENDIX C. PLAN VIEWS
1. Figure C1. Monitoring Plan View
Bold Run (final) Axiom Environmental, Inc. Monitoring Year 2 of 5 (2008)
EEP Project Number 439 December 2008
Wake County, North Carolina page iii
1.0 PROJECT BACKGROUND
1.1 Location and Setting
The Bold Run Stream and Buffer Restoration Site (Site) is located five miles northwest of the Town of
Wake Forest on Bold Hill Road, approximately 1.5 miles east of the intersection with Mangum Dairy
Road in Wake County (Figure 1). The Site is located within United States Geological Survey (USGS)
Hydrologic Unit 03020201065010 (North Carolina Division of Water Quality [NCDWQ] Subbasin 03-
04-08) of the Neuse River Basin. The Site was identified to assist the North Carolina Ecosystem
Enhancement Program (NCEEP) in meeting stream and buffer restoration goals.
Directions to the Site from Raleigh, North Carolina, are as follows:
? From Interstate 440 take the Six Forks Road exit, travel north for approximately 8 miles
? Turn left to stay on Six Forks Road, travel approximately 3 miles
? Turn right on Highway 98, travel approximately 2.7 miles
? Turn left on Stony Hill Road, travel approximately 2.4 miles
? Turn left on Purnell Road, travel approximately 0.1 mile
? Turn right on Mangum Dairy Road, travel approximately 1.8 miles
? Turn right on Bold Hill Road, travel approximately 1.5 miles
? The Site is on the right
1.2 Project Objectives
The primary components of the restoration project included the following.
• Construction of a stable, riffle-pool stream channel capable of moving sediments supplied by the
watershed so that the channel neither aggrades nor degrades.
• Stabilize stream banks, install in-stream structures, adjust stream planform, and replant 27.1 acres
of riparian areas with native vegetation.
• Improve water quality and reduce lateral erosion and bed degradation of stream channels by
establishment of riparian vegetation.
• Enhance aquatic and terrestrial wildlife habitat through improvements to stream water quality
including improved oxygen levels, reduced sediments and nutrients, and varied stream bed
features.
• Assess project success by measuring stream dimension, pattern, and profile; taking Site
photographs; and sampling vegetation.
o Stream measurements should show little to no change from the as-built channel over the
five-year monitoring period.
o Riparian vegetation should meet minimum survival standards for riparian buffers of 320
stems per acre surviving after five years.
1.3 Project Structure, Restoration Type, and Approach
The Site is encompassed within a 31-acre easement owned by NCEEP. Prior to restoration activities, the
Site was utilized for livestock pasture. Land use modifications including the removal of riparian
vegetation and hoof shear to stream banks resulted in degraded water quality and unstable channel
characteristics (stream entrenchment, erosion, and bank collapse).
Primary activities at the Site included stream restoration and riparian buffer restoration by stabilizing
stream banks, installing in-stream structures, adjusting stream planform, and replanting riparian areas
with native vegetation. Project restoration efforts provided 1629 Stream Mitigation Units and 27.1 Buffer
Mitigation Units as outlined in Table 1.
Bold Run (final) Axiom Environmental, Inc. Monitoring Year 2 of 5 (2008)
EEP Project Number 439 December 2008
Wake County, North Carolina page 1
` -i "° ' Directions to the Site:
From Raleigh, North Carolina
r
From hiterstate 440 take the Six Forks Road exit, travel north for
l? approximately 8 miles
Turn left to stay on Six Forks Road, travel approximately 3 miles
Turn right on Highway 98, travel approximately 2.7 miles
Turn left on Stony Hill Road, travel approximately 2.4 miles
" n Turn left on Purnell Road, travel approximately 0.1 mile
Turn right on Mangum Dairy Road, travel approximately 1.8 miles
Turn right on Bold Hill Road, travel approximately 1.5 miles
. t i
The Site is on the right
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2126 Rowland Pond Dr SITE LOCATION CLF FIGURE
Willow Spring, NC vs92 BOLD RUN RESTORATION SITE Ckdby:
(919) 2155-11693 WGL
,...,.._...
(919) 341-3839 fax Project Number 439 Date:
Wake County, North Carolina Oct 2008
- Project:
08-001
Table 1. Site Restoration Structures and Objectives
Bold Run Restoration Site (EEP Proiect Number 439)
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Restoration Segment/ a b ° 0
Reach ID
? 0 Stationing Comment
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Wes' F Afs ? ?
Reach 1 175 Restoration/P4 175 1 175 10+00 - 11+75 --
Reach 2 1296 Restoration/P2 1454 1 1454 11+75 - 26+29
Riparian Buffer 27.1 Restoration 27.1 1 27.1 -- --
Miti ation Unit Summations
Stream Riparian Wetland Nonri arian Wetland Total Wetland Riparian Buffer Comment
1629 0 0 0 27.1 --
P2=Priority 2, P4=Priority 4
1.4 Project History and Background
Completed project activities, reporting history, completion dates, project contacts, and background
information are summarized in Tables 2-4.
Table 2. Project Activity and Reporting History
Bold Run Restoration Site (EEP Project Number 439)
Activity or Report Data
Collection
Completion Actual
Completion
or Delivery
Restoration Plan November 2005 February 2006
Final Design - Construction Plans NA Jul 2006
Construction NA February 2007
Term orar Seed Mix Applied to Entire Project Area NA February 2007
Permanent Seed Mix Applied to Entire Project Area NA February 2007
Tree Planting NA February 2007
Mitigation Plan/As-builts (Year 0 Monitoring-Baseline) March 2007 March 2007
Year 1 Monitoring (2007) October 2007 January 2008
Year 2 Monitoring (2008) Se tember 2008 October 2008
Bold Run (final) Axiom Environmental, Inc. Monitoring Year 2 of 5 (2008)
EEP Project Number 439 December 2008
Wake County, North Carolina page 3
Table 3. Project Contacts Table
Bold Run Restoration Site EEP Project Number 439
Designer, Monitoring Year 0 Performer, KCI Associates of NC
Monitoring Year 1 (2007) Performer Landmark Center II, Suite 220
4601 Six Forks Road
Raleigh, North Carolina 27609
April Davis and Adam S filler (919) 783-9214
Construction and Seeding Contractor Vaughn Contracting, Inc.
PO Box 796
Wadesboro, North Carolina 28170
Don Vaughn (704) 694-6450
Planting Contractor and Nursery Stock Bruton Nurseries and Landscapes
Supplier PO Box 1197
Freemont, North Carolina 27830
Kelly Bruton (919) 524-5304
Seed Mix Source Evergreen Seed Company
(919)567-1333
Year 2 (2008) Monitoring Performer Axiom Environmental, Inc.
2126 Rowland Pond Dr.
Willow Spring, NC 27592
Grant Lewis (919) 215-1693
Table 4. Project Background Table
Bold Run Restoration Site (EEP Project Number 439)
Project County Wake County, North Carolina
Drainage Area 1.6 square miles
Drainage impervious cover estimate (%) < I percent
Stream Order Second
Physiogra hic Region Piedmont
Ecoregion Northern Outer Piedmont
Ros en Classification of As-built C4-type
Dominant Soil Types Chewacla, Chewacla variant, Chewacla-Riverview
Reference Site ID Richland Creek
USGS HUC Site-03020201065010
Reference-03020201070060
NCDWQ Subbasin Site-03-04-08
Reference-03-04-02
NCDWQ Classification for Project WS-IV, NSW, CA (Stream Index # 27-13-(0.1))
An portion of any project segment 303d listed? No
Any portion of any project segment upstream of a
303d listed segment?
No
Reasons for 303d listing or stressor Not Applicable
% of project easement fenced 100 percent
Bold Run (final) Axiom Environmental, Inc. Monitoring Year 2 of 5 (2008)
EEP Project Number 439 December 2008
Wake County, North Carolina page 4
1.5 Monitoring Plan View
Monitoring activities for the Site, including relevant structures and utilities, project features, specific
project structures, and monitoring features are detailed in Figure C l in Appendix C. Site features
including vegetation, stream dimension (cross-sections), stream profile and pattern, wetland hydrology,
and photographic documentation were monitored in year 2 (2008).
2.0 PROJECT CONDITION AND MONITORING RESULTS
2.1 Vegetation Assessment
Following Site construction fifteen plots (10-meters square) were established and monumented with metal
fence posts at all plot corners and PVC at each plot origin. Five plots are located in the streamside
riparian buffer planting zone and ten plots are located within the remaining buffer area. Plots were
surveyed in August and September 2008 for the year 2 (2008) monitoring season. Sampling was
conducted as outlined in the CVS-EEP Protocol for Recording Vegetation, Version 4.0 (Lee et al. 2006)
(http://cvs.bio.unc.edu/i-nethods.htm); results are included in Appendix A. The taxonomic standard for
vegetation used for this document was Flora of the Carolinas, Virginia, Georgia, and Surrounding Areas
(Weakley 2007). The locations of vegetation monitoring plots are depicted on Figure C 1 in Appendix C.
Success criteria dictate that an average density of 320 stems per acre must be surviving after five
monitoring years in accordance with North Carolina Division of Water Quality Administrative Code 15A
NCAC 0213.0242 (Meuse River Basin, Mitigation Program for Protection and Maintenance of Existing
Riparian Buffers) (NCDWQ 2007). Based on the number of stems counted, average densities were
measured at 456 planted stems per acre surviving in year 2 (2008). The dominant species identified at the
Site were planted stems of green ash (Fraxinus pennsylvanica), cherrybark oak (Quercus pagoda), and
willow oak (Quercus phellos). In addition, each individual plot met success criteria and no vegetation
problem areas were noted during the year 2 (2008) monitoring season.
2.2 Stream Assessment
Five permanent cross-sections were established after construction was completed. Measurements of each
cross-section include points at all breaks in slope including top of bank, bankf ill, and thalweg. Riffle
cross-sections are classified using the Applied Fluvial Morphology (Rosgen) stream classification system.
Longitudinal profile measurements of the entire Site restoration reaches include thalweg, water surface,
and bankfull; with each measurement taken at the head of facets (i.e. riffle, run, pool, and glide) in
addition to the maximum pool depth. Visual assessment of in-stream structures was conducted to
determine if failure has occurred. Failure of a structure may be indicated by collapse of the structure,
undermining of the structure, abandonment of the channel around the structure, and/or stream flow
beneath the structure.
Success criteria for stream restoration reaches should show little to no change from the as-built channel
over the five-year monitoring period. Year 2 (2008) monitoring measurements indicate that there have
been minimal changes in both the longitudinal profile and cross-sections as compared to as-built data.
2.2.1 Bankfull Events
Documented bankfull events are included in the table below. One bankfull event was documented during
the year 2 (2008) monitoring period.
Bold Run (final) Axiom Environmental, Inc. Monitoring Year 2 of 5 (2008)
EEP Project Number 439 December 2008
Wake County, North Carolina page 5
Table 5. Verification of Bankfull Events
Bold Run Restoration Site (EEP Project Number 439)
Date of Data
Collection
Date of Occurrence
Method Photo (if
available
November 19, Between 8/31/2007
Crest Gauge --
2007 and 11/19/2007
Total of 3.48 inches* of rain reported to fall over 2 days
October 8, 2008 August 28, 2008 (August 27 - 28, 2008) as well as crest gauge readings at
the Site
* Reported at KNCWAKEFI Weather Station on Welcome Drive in Wake Forest.
2.2.3 Stream Problem Areas
Stream problem areas documented within the Site during the year 2 (2008) monitoring year consisted of a
large beaver dam at the downstream extent of the Site near the confluence with New Light Creek and an
area of stream widening and bank erosion near cross-section 5. Beaver activity has resulted in backwater
effects from the beaver dam. Proactive maintenance measures including the removal of existing beaver
dams and beaver is recommended, as necessary. Stream problem areas are summarized in Table B1 and
documented in photographs in Appendix B and are depicted in Figure C 1 in Appendix C.
2.2.4 Categorical Stream Feature Visual Stability Assessment
The stream was visually inspected during the year 2 (2008) monitoring period using eight feature
categories and various metrics within each category. Assessment features included riffles, pools, thalweg,
meanders, channel bed, banks, structures, and root wads/boulders. Semi-quantitative assessements for the
stream are included in Appendix B (Table B2). The mean percentage of performance for features is
summarized in the tables below.
Table 6. Categorical Stream Feature Visual Stability Assessment
Bold Run Restoration Site (EEP Project Number 439)
Feature Year 0
2006 Year 1
2007 Year 2
2008 Year 3
2009 Year 4
2011 Year 5
2012
A. Riffles 100% 100% 100%
B. Pools 100% 100% 95.6%
C. Thalweg 100% 100% 100%
D. Meanders 100% 100% 100%
E. Bed General 100% 98% 99.5%
F. Banks 100% 99% 98%
G. Vanes / J. Hooks, Etc. 100% 94% 100%
H. Wads and Boulders 100% 100% 100%
2.2.5 Quantitative Stream Measurements
During the year 2 (2008) monitoring period 5 cross-sections and longitudinal profiles on the entire stream
reach were measured; plots for year 2 (2008) monitoring overlain on baseline and previous monitoring
years data are included in Appendix B. As a whole, monitoring measurements indicate that there have
been minimal changes in both the longitudinal profile and cross-sections as compared to as-built data.
The as-built channel geometry compares favorably with the emulated, stable E/C type stream reach as set
forth in the detailed mitigation plan and construction plans. Current monitoring has demonstrated
Bold Run (final) Axiom Environmental, Inc. Monitoring Year 2 of 5 (2008)
EEP Project Number 439 December 2008
Wake County, North Carolina page 6
dimension, pattern, and profile were stable over the course of the monitoring period. Tables for
quantitative assessements are included below; these tables include data from previous years.
Bold Run (final) Axiom Environmental, Inc. Monitoring Year 2 of 5 (2008)
EEP Project Number 439 December 2008
Wake County, North Carolina page 7
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3.0 REFERENCES
Lee, Michael T., R.K. Peet, S.D. Roberts, and T.R. Wentworth. 2006. CVS-EEP Protocol for Recording
Vegetation, Version 4.0. (online). Available: http://cvs.bio.unc.edu/methods.htm
North Carolina Division of Water Quality (NCDWQ). 2007. Redbook, Surface Waters and Wetlands
Standards. North Carolina Department of Environment and Natural Resources, Division of
Water Quality. Raleigh, North Carolina.
Rosgen, D. 1996. Applied River Morphology. Wildland Hydrology (Publisher). Pagosa Springs,
Colorado.
Weakley, Alan S. 2007. Flora of the Carolinas, Virginia, Georgia, and Surrounding Areas (online).
Available: http://www.herbarium.unc.edu/WeakleysFIora.pdf [February 1, 2008]. University of
North Carolina Herbarium, North Carolina Botanical Garden, University of North Carolina,
Chapel Hill, North Carolina.
Bold Run (final) Axiom Environmental, Inc. Monitoring Year 2 of 5 (2008)
EEP Project Number 439 December 2008
Wake County. North Carolina page 10
APPENDIX A
VEGETATION DATA
1. Vegetation Survey Data Tables
2. Vegetation Monitoring Plot Photos
Bold Run (final) Axiom Environmental, Inc. Monitoring Year 2 of 5 (2008)
EEP Project Number 439 December 2008
Wake County, North Carolina Appendices
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I XI
Axiom Environmental, hie.
Monitoring Year 2 of 5 (2008)
December 2008
Appendices
Bold Run (final)
EEP Project Number 439
Wake County. North Carolina
111pcndices
Bold Run Restoration Site
Year 2 (2008) Annual Monitoring
Vegetation Plot Photos (taken late July to early September 2008, continued)
j? .
1. <
,?
w
t ,
s
Bold Run (final) Axiom Environmental, Lne. Monitoring Year 2 of 5 (2008)
EEP Project Number 439 December 2008
Wake County. North Carolina Appendices
Appendices
APPENDIX B
GEOMORPHOLOGIC DATA
1. Table 131. Stream Problem Areas and Photographs
2. Fixed-Station Photos
3. Tables 132. Qualitative Visual Stability Assessment
4. Cross-section Plots and Tables
5. Longitudinal Profile Plots
6. Pebble Count Plots
Bold Run (final) Axiom Environmental, Ine. Monitoring Year 2 of 5 (2008)
EEP Project Number 439 December 2008
Wake County. North Carolina Appendices
Appendices
-qq
Table 131. Stream Problem Areas
Bold Run Restoration Site (EEP Proiect Number 439)
Feature Issue Station Numbers Suspected Cause Photo
Outer bend bank Lack of deep-rooted vegetation, Problem Area Photos
erosion/channel widening 24+00 downstream beaver activity 1-2
Large beaver dam causing Immediately Problem Area Photo
backwater effects downstream of Site on Beaver activity 3
Bold Run Creek
Problem Area Photos
Taken August 15, 2008
4
Problem Area Photo I -
Channel widening at
outerbend
f ._ q r
s,
r
'
A -4
? a
4 y x
Problem Area Photo 2-
Bank erosion
Bold Run (final) Axiom Environmental, Inc. Monitoring Year 2 of 5 (2008)
EEP Project Number 439 December 2008
Wake County, North Carolina Appendices
Appendices
Bold Run Restoration Site
Fixed-Station Photographs
taken August 15, 2008
g
fth Rd g
8
k
i "
F?
4 ` k
Bold Run (final) Aiionr Environmental, Inc.
EEP Project Number 439
Wake County. North Carolina
Appendices
pNd@
Monitoring Year 2 of 5 (2008)
December 2008
Appendices
FN@h Rd N
Bold Run Restoration Site
Fixed-Station Photographs
taken August 15, 2008 (continued)
Ilk
.z
PN9@ Rd ?9
,
Ph& Rd go
Bold Run (final') Axiom Environmental, Inc. Monitoring Year 2 of 5 (2008)
EEP Project Number 439 December 2008
Wake County, North Carolina Appendices
Appendices
Bold Run Restoration Site
Fixed-Station Photographs
taken August 15, 2008 (continued)
M& Rd IN
V ?t 'v k
t'
M
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Bold Run (final) Axiom Environmental, Inc. Monitoring Year 2 of 5 (2008)
EEP Project Number 439 December 2008
Wake County. North Carolina Appendices
Appendices
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APPENDIX C
FIGURE C 1. MONITORING PLAN VIEW
Bold Run (final) Axiom Environmental, Inc. Monitoring Year 2 of 5 (2008)
EEP Project Number 439 December 2008
Wake County, North Carolina Appendices
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