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<br />NATURAL ENVIRONMENT SURVEY <br /> <br />Survey Date: 10/9/85 <br /> <br />,,\~ <br />--"' f'Ji~~ <br /> <br />Survey Location: <br />Survey Summary: <br /> <br />at Brown's Campground <br />550' electrofished. Sample included: 163 brown trout (3"-15"), 5 rainbow trout (8_ <br />-13"),2 cutthroat trout (10"-11") and 3 white sucker (7"-12"). ... <br />brown, rainbow and cutthroat trout fishery <br /> <br />Basis for ISF: <br /> <br />FIELD SURVEY <br /> <br />Survey Date: 11/11/87 <br /> <br />Method Used: R2X <br />Measured Flow (cfs): 19,98 <br />Survey Location: SE S13 T15S R78W 6PM <br />Notes: 250 ft u/s of confluence with the Arkansas River <br /> <br />Grassline Width (ft): 46.2 <br />PHOTOS: 3 <br /> <br />WATER AVAILABILITY <br /> <br />Method: <br /> <br />The Chalk Creek hydrograph was derived using data from the Chalk Creek stream gage near <br />Nathrop, Colorado (ID #07091000). See hydrograph below_ As per the Division 2 Engineer, . <br />. senior water rights do not present a water availability problem within this reach of stream. <br /> <br />OCT NOV DEC <br />28. 24. 20. <br /> <br />MEDIAN MONTHLY FLOWS (cfs) <br />JAN FEB MAR APR MAY JUN <br />19. 19. 18. 18. 83. 200 <br /> <br />JUL <br />81. <br /> <br />AUG SEP <br />44. 33. <br /> <br />Chalk Creek near Nathrop, CO (ID# 07091000) <br />1949-1956 <br /> <br />50 <br /> <br /> <br />~ 40 <br />o <br />- <br />~ <br />g 30 <br />LL <br />i <br /> <br />~~ --------- <br />o <br />::;: <br />~ ----------~---- <br />W 10 <br />::;: <br /> <br /> <br />o <br /> <br />OCT NOV DEe JAN FES MAR APR MAY JUN <br />MONTH <br /> <br />JUL AUG SEP OCT <br /> <br />IChalk2_wk41 <br /> <br />_ ewcs ISF AMOlNT <br /> <br />- <br />