2016-12-01_PERMIT FILE - C1980007 ‎(6)‎

• Permit No: C1980007
• IBM Index Class Name: Permit File
• Doc Date: 12/1/2016
• Doc Name: Hydrologic Characterization of the South of the Divide
• Section_Exhibit Name: Exhibit 71
• Media Type: D
• Archive: No

HYDROLOGIC CHARACTERIZATION AND MONITORING PLAN 22
Table 8. Summary of the Spring and Seep Monitoring Program (Continued)
SW mine panels area — southwest B -seam longwall panels; SE mine panels area — southeast B -seam longwall panels
Box Canyon mine panels area — Box Canyon B -seam longwall panels; W. Flatiron mine panels area — West Flatiron B -seam longwall panels
Jumbo Mountain mine panels area — Jumbo Mountain B -seam longwall panels
SOD mine panels area — South of the Divide E -seam longwall panels
1) For sites with more than 5 years of data, lab parameters include TSS, TDS, EC, pH, and Fe (dissolved & total).
2) For sites with 5 or less years of data, see Table 6.
4.2.1 Springs above the F -Seam in the North Fork of the Gunnison River
Drainage Basin
4.2.1.1 Spring 26-1
Spring 26-1 is located in an unnamed drainage on the west side of Deep Creek between the
Upper and Lower Deep Creek monitoring stations (Plate 1). Deep Creek is tributary to Raven
Gulch and the North Fork. This spring is located above the southeast mine panels area and
issues from a sandstone bed above the F -seam. This spring has perennial flow, but shows strong
seasonal variations with high flows in the spring months. Hydrologic monitoring at this spring
began in 1996.
4.2.1.2 Spring 27-1
Spring 27-1 is located in upper Sylvester Gulch, which is tributary to the North Fork, (Plate 1)
and feeds an area known as "twin ponds". This spring issues from alluvial sediments and is
located above the southeast mine panels area. Hydrologic monitoring measurements from this
station are taken at the end of a corrugated plastic drain pipe. Hydrologic monitoring at this
spring began in 1996.
4.2.1.3 Spring G-7
Spring G-7 is located in a western tributary of Sylvester Gulch and is situated above the
northeast mine panels area and north of the southwest mine panels area (Plate 1). This spring
issues from joints in a sandstone ledge and has perennial flow, but shows strong seasonal
variations with high flows in the spring months. Hydrologic monitoring at this spring began in
1977.
Revised 09/07- PR12; 08/16- TR139 HydroGeo, Inc
Flow
Field WQ
Annual Lab
Period of
Monitoring Station
Monitored Area
Measurement
1(pH,EC,T)l
WaterQuality
Record
Springs above the E -seam in the Dry Fork Drainage Basin
Spring J-4
M Dry Fork, SOD mine
3 x Year
3 x Year
Peak Flow Period
1981 to present
panels area
Deer Creek Spring
Deer Creek, SOD mine panels
3 x Year
3 x Year
Peak Flow Period (0
2006 to present
area
Spring WCC -24
Lower Dry Fork, west of SOD
3 x Year
3 x Year
Peak Flow Period
2006 to present
mine panels area
Spring J-2
Lick Creek, south of SOD
3 x Year
3 x Year
Peak Flow Period ���
2006 to present
mine panels area
Spring J-7
Poison Gulch, SOD mine
3 x Year
3 x Year
Peak Flow Period
2006 to present
panels area
Spring J-10
Dry Fork, west of SOD mine
3 x Year
3 x Year
Peak Flow Period (11
2012 to present
panels area
SW mine panels area — southwest B -seam longwall panels; SE mine panels area — southeast B -seam longwall panels
Box Canyon mine panels area — Box Canyon B -seam longwall panels; W. Flatiron mine panels area — West Flatiron B -seam longwall panels
Jumbo Mountain mine panels area — Jumbo Mountain B -seam longwall panels
SOD mine panels area — South of the Divide E -seam longwall panels
1) For sites with more than 5 years of data, lab parameters include TSS, TDS, EC, pH, and Fe (dissolved & total).
2) For sites with 5 or less years of data, see Table 6.
4.2.1 Springs above the F -Seam in the North Fork of the Gunnison River
Drainage Basin
4.2.1.1 Spring 26-1
Spring 26-1 is located in an unnamed drainage on the west side of Deep Creek between the
Upper and Lower Deep Creek monitoring stations (Plate 1). Deep Creek is tributary to Raven
Gulch and the North Fork. This spring is located above the southeast mine panels area and
issues from a sandstone bed above the F -seam. This spring has perennial flow, but shows strong
seasonal variations with high flows in the spring months. Hydrologic monitoring at this spring
began in 1996.
4.2.1.2 Spring 27-1
Spring 27-1 is located in upper Sylvester Gulch, which is tributary to the North Fork, (Plate 1)
and feeds an area known as "twin ponds". This spring issues from alluvial sediments and is
located above the southeast mine panels area. Hydrologic monitoring measurements from this
station are taken at the end of a corrugated plastic drain pipe. Hydrologic monitoring at this
spring began in 1996.
4.2.1.3 Spring G-7
Spring G-7 is located in a western tributary of Sylvester Gulch and is situated above the
northeast mine panels area and north of the southwest mine panels area (Plate 1). This spring
issues from joints in a sandstone ledge and has perennial flow, but shows strong seasonal
variations with high flows in the spring months. Hydrologic monitoring at this spring began in
1977.
Revised 09/07- PR12; 08/16- TR139 HydroGeo, Inc