Laserfiche WebLink
<br />. Index of Major Drainageways <br /> 0000 South Platte 5200 Harvard Gulch <br /> 3000 St. Vrain 5300 West Harvard Gulch <br /> 3100 Litt.le Dry Creek 5400 Little Dry Creek <br /> 3200 Big Dry Creek 5500 Bear Creek <br /> 3300 Third Creek 5600 Big Dry Creek <br /> 3400 Todd Creek 5700 Unnamed <br /> 3500 Second Creek 5800 Little Creek <br /> 3600 Brantner Gulch 5900 Dutch Creek <br /> 3700 First Creek 6000 Lee Gulch <br /> 3800 Grange Hall Creek 6100 South Jefferson County <br /> 3900 Irondale Gulch Drainage (North) <br /> 4000 Unnamed 6200 South Jefferson County <br /> 4100 Unnamed Drainage (South) <br /> 4200 Niver Creek 6300 Dad Clark Gulch <br /> 4300 Clear Creek 6400 Marcey Gulch <br /> 4400 Sand Creek 6500 Massey Draw <br /> 4500 Unnamed 6600 Plum Creek <br /> 4600 Cherry Creek 6700 Deer Creek <br /> 4700 Sloan Lake 6800 Unnamed <br /> 4800 Lakewood Gulch 6900 Willow Creek <br /> 4900 Weir Gulch 7000 Little Willow Creek <br /> 5000 Interst.ate 25 7100 Brush Creek <br />. 5100 Sanderson Gulch 7200 Unnamed <br /> 7300 Cottonwood Gulch <br /> <br />Column E - The last two digits represent the subbasin number <br />within the tributary, numbered consecutively upstream from the lowest <br />point on the drainageway or tributary. The numbers start with 01 at <br />the lowest point on each basin or tributary. <br /> <br />Example - A subbasin with the number 1-59-4803-02 indicates the <br />subbasin that is: <br /> <br />1 - In the South Platte River Basin; <br /> <br />59 - The lowest. point of the basin (point of interest) <br />is in Jefferson County; <br /> <br />4803 - It is tributary to Lakewood Gulch; <br /> <br />02 - It is the second subbasin on the tributary. <br /> <br />In addition to showing the physical basin boundaries and the <br />identification code number, the following physical data are included for <br />each basin to aid planners and engineers in developing estimated runoff <br />by the Colorado Unit Hydrograph Procedure (CUHP): <br /> <br />. <br /> <br />1) Area of basin in square miles, A; <br /> <br />2) Length of basin along the stream in miles, L; <br /> <br />5 <br />