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Basin Data Flint Creek at Springtown, Arkansas

USGS STATION NUMBER 07195800
USGS STATION NAME Flint Creek At Springtown, AR
HYDROLOGIC UNIT CODE 11110103-060
LATITUDE 36o 15' 20"
LONGITUDE 94o 25' 50"
LOCATION On Right Bank 30' DS from Bridge
On SH 12
SECTION(S) NW 1/4 Section 7
TOWNSHIP 18 NORTH
RANGE 32 WEST
COUNTY Benton
STATE Arkansas
USGS 7.5 MINUTE QUAD Gentry
COMMENTS 0.8 Miles Southwest of Springtown
BASIN CHARACTERISTICS  
DRAINAGE AREA
SQ MILES		 14.2
MAIN CHANNEL SLOPE
 FT/FT		 0.0043
MAIN CHANNEL LENGTH
 MILES		 6.2
MEAN ANNUAL PRECIPITATION
INCHES		 42.9
MEAN ANNUAL RUNOFF
 INCHES (1961-1999)		 14.6
MEAN BASIN ELEVATION
 FEET		 1339
PERIOD OF RECORD
YEARS		 June 13, 1961 to 1999
GAGE DATUM
 AMSL (FEET)		 1173.47
1.5 YR STAGE
FEET		 6.1
1.5 YR DISCHARGE
 CFS		 450
BANKFULL STAGE AT GAGE
 FEET		 5.96
BANKFULL DISCHARGE
 CFS		 416
BANKFULL RETURN INTERVAL
 YRS		 1.46
BANKFULL XS AREA
 FEET2 		97.2
BANKFULL VELOCITY
 FT/SEC		 4.3
BANKFULL TOPWIDTH
FEET 		38.7
HYDRAULIC RADIUS IN BANKFULL XS
FEET 		2.41
BANKFULL SLOPE
 FEET/FEET		 0.0027
BANKFULL MANNING's n 0.033
SHEAR STRESS IN BANKFULL XS AREA
LBf/FT2 		0.41
SIZE OF ROCK TRANSPORTED DUE TO
TRACTIVE FORCE
 mm		 20.9
D50
mm		 18.3
WIDTH TO DEPTH 15
ENTRENCHMENT RATIO 1.55
SINUOSITY 1.26
STREAM CLASSIFICATION B4C
Average Riffle Depth to Mean Depth  
Max Riffle Depth to Mean Depth  
Average Run Depth to Mean Depth  
Average Pool Depth to Mean Depth  
Average Glide Depth to Mean Depth  
Run length to Total Pool length  
Pool length to Total Pool length  
Glide length to Total Pool length  
Percentage Pool / Riffle Lengths  
Riffle Slope to Bankfull Slope  
Pool Slope to Bankfull Slope  
REFERENCE MARKS  
RM-1:
Chiseled square on top of DS
curb at right end of bridge. 		19.09 ft gage datum
RM-2:
Chiseled square on top of US
curb at left end of bridge. 		18.11 ft gage datum
RM-4:
a chiseled square on top of DS
 handrail post, streamward corner,
 fifth post from right bank,
 next to wire weight.		 21.158 ft gage datum
RM-5:
A lag bolt in power pole approx.
 70 ft west of gage.		 13.595 ft gage datum
BM "1259 FTVL":
Iron post stamped "1259 FTVL"
in NW corner of Sec 8, T 13 N,
R 32 W. at Springtown. 		1260.001 ft above sea level,
datum of 1912
POINT OF ZERO FLOW 3.7 ft gage datum

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