2018-08-17_REVISION - C1981028

• Permit No: C1981028
• IBM Index Class Name: Revision
• Doc Date: 8/17/2018
• Doc Name: Proposed Decision and Findings of Compliance
• From: DRMS
• To: Coors Energy Company
• Type & Sequence: SL9
• Email Name: RAR
• Media Type: D
• Archive: No

Table 1: Field Elevations measured with the Bad Elf and Map elevations from CEC Reclamation Maps
Transect Sample
Point
GNSS
LAT
GNSS
LONG
GNSS
ALT
(M)
Measured
Elev (Ft)
Ortho
Ht (M)
Geoid
Ht (M)
ElevAdj
Geoid
Ht (Ft)
(HMSL)
SL9 Map
Post
Mining
Topo
GPS
Positional
Error

1 A 40.19 -104.50 1444.70 4739.83 1463.62 -18.93 4801.92 4804.00 4804.50 -2.08
B 40.19 -104.50 1443.70 4736.55 1462.63 -18.93 4798.64 4800.00 4802.50 -1.36
AA 40.19 -104.50 1441.30 4728.67 1460.23 -18.93 4790.78 4791.00 4794.80 -0.22
2
A 40.19 -104.50 1447.70 4749.67 1466.62 -18.93 4811.76 4805.00 4806.80 6.76
B 40.19 -104.50 1443.20 4734.91 1462.13 -18.93 4797.00 4802.00 4804.90 -5.00
BB 40.19 -104.50 1441.60 4729.66 1460.53 -18.93 4791.76 4800.00 4802.50 -8.24
C 40.19 -104.50 1442.00 4730.97 1460.93 -18.93 4793.07 4798.00 4800.00 -4.93
D 40.19 -104.50 1440.10 4724.74 1459.03 -18.93 4786.84 4793.50 4797.00 -6.66
E 40.19 -104.50 1443.80 4736.88 1462.73 -18.93 4798.98 4794.00 4794.80 4.98
3
AA 40.19 -104.50 1441.30 4728.67 1460.23 -18.93 4790.78 4791.00 4794.80 -0.22
B 40.19 -104.50 1442.30 4731.96 1461.23 18.93 4794.06 4793.00 4794.50 1.06
E 40.19 -104.50 1443.80 4736.88 1462.73 -18.93 4798.98 4794.00 4794.80 4.98
4
A 40.19 -104.49 1437.00 4714.57 1455.94 -18.94 4776.69 4784.00 4786.00 -7.31
B 40.19 -104.49 1436.00 4711.29 1454.94 -18.94 4773.41 4784.00 4786.10 -10.59
BB 40.19 -104.49 1437.90 4717.52 1456.84 -18.94 4779.65 4784.00 4786.10 -4.35
C 40.19 -104.49 1436.70 4713.58 1455.64 -18.94 4775.71 4784.00 4786.10 -8.29
D 40.19 -104.49 1439.80 4723.75 1458.74 -18.94 4785.88 4784.00 4786.10 1.88
E 40.19 -104.49 1438.90 4720.80 1457.84 -18.94 4782.93 4784.00 4786.10 -1.07
5
A 40.19 -104.49 1437.40 4715.88 1456.34 -18.94 4778.01 4784.00 4787.00 -5.99
B 40.19 -104.49 1433.90 4704.40 1452.84 -18.94 4766.53 4784.00 4786.50 -17.47
C 40.19 -104.49 1436.70 4713.58 1455.64 -18.94 4775.71 4784.00 4786.10 -8.29
D 40.19 -104.49 1441.00 4727.69 1459.94 -18.94 4789.82 4784.00 4785.50 5.82
E 40.19 -104.49 1438.10 4718.18 1457.04 -18.94 4780.31 4784.20 4788.10 -3.89
Average GPS Positional Error (ft) 5.28
Keenesburg known elevation at benchnark: 4813.92 FT/m 3.28084
http://www.unavco.org/software/geodetic-utilities/geoid-height-calculator/geoid-height-calculator.html