1999-12-19_PERMIT FILE - M1999120

• Permit No: M1999120
• IBM Index Class Name: Permit File
• Doc Date: 12/19/1999
• Doc Name: SUBSTITUTE SUPPLY PLAN FT LUPTON SAND & GRAVEL MINE OWNED & OPERATED BY L G EVERIST INC
• From: BANKS & GESSO LLC
• To: STATE ENGINEER
• Media Type: D
• Archive: No

TABLE 1
Evaporation Depletion Analysis
Ft. Lupton Sand & Gravel Mine
Ground Elevation : 4870 k
I ' Month Gross Gross Gross Total Eff. Net Net
Evap. Evap. Evap. Precip. Precip. Evap. Evap.
(%) (in) YQ (in) (in) (in) (ft)
Column-> 1 2a 2b 3 4 Sa 5b
Jan 3.00 1.35 0.11 0.38 0.27 1.08 0.09
Feb 3.50 1.58 0.13 0.40 0.28 1.30 0.11
Mar 5.50 2.48 0.21 0.96 0.67 1,81 0.15
Apr 9.00 4.05 0.34 1.68 1.18 2,87 0.24
May 12.00 540 0.45 2.60 1.82 3.58 0.30
Jun 14.50 6.53 0.54 1.57 1.10 5,43 0.45
Jul 15.00 6.75 0.56 1.09 0.76 5.99 0.50
Aug 13.50 6.08 0.51 1.15 0.81 5,28 0.44
Sept 10.00 4.50 0.38 1.22 0.85 3,65 0.30
Oct 7.00 3.15 0.26 0.90 0.63 2,52 0.21
' Nov 4.00 1.80 0.15 0.56 0.39 1,41 0.12
Dec 3.00 1.35 0.11 0.42 0.29 1.06 0.09
Total 100.00 45.02 3.75 12.93 9.10 35.92 2.99
' Column 1 Evaporation distribution from SEO draft criteria dated 1996.
2 Mean evaporation from NWS 33.
' 3 Mean monthly precipitation from Longmont station,(Table 6).
4 Effective precipitation=70%of Total precipitation(col. 3).
5 Net evaporation=Gross evap.(col.2)-Eff.Precip.(col.4).
1
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' Banks and Gesso, LLC. -12l9l1999-Ft. Lupton Sand and Gravel Mine