GENERAL42454

• Permit No: C1980005
• IBM Index Class Name: General Documents
• Doc Date: 8/9/1989
• Doc Name: SENECA II ANNUAL TOPOGRAPHY MAP
• From: MLRD
• To: SUSAN MOWRY CARL MOUNT
• Permit Index Doc Type: RECLAMATION PROJECTS
• Media Type: D
• Archive: No

iii iiiiiiiiiiiu iii
999
STATE OF CO
Roy Romer, Governor
r~ R
DEPARTMENT OF NATURAL RESOURCES
MINED LAND RECLAMATION DIVISION
FRED R. BANTA, Dlrsctor
DATE: August 9, 1989
T0: Susan Mowry, Carl tdount
FROM: Tim King
RE: Seneca II Annual Topography Map
After reviewing the annual topographic maps submitted by Peabody Coal Company
for the Seneca II Mine, I have many concerns. They are listed below.
t. In cross-section F, a depression of approximately 43.75 feet appears.
he general regrading requirements of the Seneca II permit, Section
„ ,!J 14.2(3) states, "Small depressions are not proposed in the post mining
~'( opography except where they were pre-existing." Because of unavailable
pre-mining topographic maps, I was unabl to tell if the depression v/as
pre-existing. Soli tic l0 - ~ ~ (~'~ - w~"^ ~ -Fa~° - b,.~ c~o~lf
-Gor ce,,,..part so-~ S~ 1 ,~
2. Cross-sections C & D show more material in place than proposed, of
approximately 50 feet more depth in cross-section C and approximately
30 feet more depth in cross-section D. In his letter of July 7, 1989,
Ron Gehrke states, "We do not believe this area to be a problem, but will
observe the future grading to ensure that adequate material is available
to reclaim the future pits." He has not stated how he plans to ensure
adequate material for the future. Also, it is not clear why more
material was put down in the first place.
3. In these areas where more material was placed than proposed
(cross-sections C, D, and E), nothing is said of stability
~o-~ e. I Z - S 7
The general grading requirements of the Seneca II Permit,
^4r1-4:271T states, "The final graded slopes will not be uniform, but will
approximate the pre-mining slopes as shown by Exhibit 12-9, Post-Mining
Contour Map." I am unable to understand how Peabody Coal Company can
show pre-mining topography on a post-mining topography map. As I
mentioned in number 1 above, no pre-mining topography map seems to exist
for the Seneca II Mine.
k~.~
215 Centennial Building, 1313 Sherman Street Denver, Colorado 80203-2273 Tel. [phone]