FLOOD08330

• County: Gilpin
• Community: Central City
• Stream Name: Gregory Gulch, Nevada Gulch
• Basin: South Platte
• Title: Flood Hazard Identification Report - Gregory Eureka Gulch and Nevada Gulch
• Date: 2/1/1987
• Prepared For: Central City
• Prepared By: CWCB
• Floodplain - Doc Type: Floodplain Report/Masterplan

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TABLE 1. CROSS-SECTION AND WATER SURFACE ELEVATION DATA FOR GREGORY GULCH
(continued)
Channel 100-yr 10-yr
X-sec bottom fl ood flood
number Comments Location* elev.** elev.** elev,**
(Station) (ftJ (ft) (ft)
18 62+50 8468.0*** 8470.0 8468.9
19 65+00 8484.4 8486.6 8485.7
20 66+30 8488.3 8492.6 8491.1
21 67+40 8506.0*** 8509.0 8508,1
22 69+00 8516.9 8521. 1 8519.8
23 72+50 8543.5 8549.5 8547.5
24.1 d/s from Prosser St. Br. 73+30 8556.6 8563.1 8560.8
(downstream end of loop)
24.4 u/s from Prosser St. Br. 74+00 8563.3 8573.6 8572.6
(downstream end of loop)
25 74+70 8567.5 8573.6 8572.6
26 78+00 8602,0 8607.2 8605.5
27 80+50 8630 , 2 8634.3 8633.0
28 84+00 8650.0 8654.3 8652.9
29.1 d/s from Prosser St. Br. 85+40 8664.8 8671.9 8669.1
(upstream end of loop)
29,4 u/s from Prosser St. Br. 86+20 8665,5 8673.5 8672.6
(upstream end of loop)
30 86+50 8670.0 8674.1 8672.8
31 90+00 8688.8 8692.4 . 8691. 1
32 94+50 8722.0 8725.2 8724.1
33 99+00 8747.8 8750.6 8749.9
.......................................
* Distance in hundreds of feet upstream from the confluence with
North Clear Creek,
** Elevations in map datum.
*** Channel bottom is in the street.

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