APPCOR12264

• Permit No: C1981071
• IBM Index Class Name: Application Correspondence
• Doc Date: 10/30/1978
• Doc Name: EAR FACE SHEET
• Media Type: D
• Archive: No

• TAHLE s
NYDROLOCIC DATA FOR WATERSNEDS RELATIVE TO ENERGY FUELS CORPORATION COAL LEASE APPLICATIONS
Leese Channel Characterie tics 2 Estimated Estimated Mnuel 6a tl.ma tad peak discharge for indicated
appllcatlon Aree 2/ Leng tl, Slope annual runoff eed Smen[ yeild 4/ recurrence In Cervel (cfe) 5/
number Naterehed (acres) (m f.les) (ft/mi) (acre/f t) ([one) 10 years 50 years 100 yeera
C-26644
and
C-26913 A 6/ 3,225 3.95 280 81-270 2, OBO 25-54 50-100 61-I30
E 805 1.70 370 20-67 270 8.1-17 17-34 21-43
C 274 1.05 600 7-23 9l 3.4-7.2 7.0-14 8.8-18
D 496 1.58 430 12-41 170 5.5-12 11-23 I4-30
'E 711 1.42 630 8-26 I00 3.7-8.0 7.8-16 9.7-20
F ~ 55 0.58 900 I-5 18 .0.9-2.0 2.0-4.0 ~2.5-5.2
C 201 0.80 840 5-17 67 2.6-5.6 5.5-11 5.9-14
N 193 0.90 870 5-16 64 2.5-5.4 5.3-11 ~ 6.7-14
C-22676 A 7/ 4,899 4.90 20H 740-1,300 2,300 75-76 70-140 85-180
B 1,285 2.05 I59 190-730 610 12-36 24-50 70-62
• C 403 1.70 82 60-100 191 4.6-9.9 9.6-20 12-25
1/ See Figures q 1 and 2 for outline of watershed e.
2/ Measure on USCS 71j min. topographic maps.
3/ Based on data from USCS gauging etat ions and studies completed by Leonard glee Consulting We ter Bngineere, Inc. for Energy Fue le Corporation.
4/ EscSma tad ua in~ Pec if is Southve et Inter-agency Committee (1968) method. Sediment weight assumed to be 70 lbe/cu-f t.
5/ Computed using method deec rl6ed Sn Technical Manuel No. 1 (Colorado Na[er Con aervat Son Hoard, Colorado Department of Ne Coral Re source e, 1976),
Computations do no[ include the storage effect of axis Clog reaervo irs.
6/ Na tershed A Sncludes va [e rsheds B-il (figure 1).
1 Na to rshed A includes va [ereheds B and C (FSgure 2).