MINEBK01150

• County: Las Animas
• Document: FROMSIC
• Suffix: A

TABLE TWO -- LAS ANIMAS COUNTY
MINE NAME COMMENTS ON FEATURES
Francisco S: Subsidence area containing at least five subsidence pits. Two pits are over old airshaft~
(Piedmont) of the Francisco Mine and are 25'x40'x3' deep and 35'x35'x2' deep. One pit is 35' across
(Piedmont, New) and 2' in depth, and another is 35' wide, 40' long, and 2' deep. There is also one large
pit 45' wide, 60' long, and 3' deep. The area encompassing these pits (75' wide by 750'
long) has possibly sagged 2'-3'.
Fredrick Reclamation plans for 1984 of Fredrick Mine area: backfilling of the open subsidence
features using a graded fill technique; the sealing of the open ad it with a steel grate;
regrading of the coal spoil pile; and an evaluation of secondary coal recovery.
Henderson Reclamation plans for 1984 of the Henderson Mine site: backfill the mine openings using
a graded fill technique. Grade portion of spoil pile adversely affecting the water qualil
of adjacent spring; and an evaluation of secondary coal recovery.
Hubbard *: One horizontal opening and one inclined opening. Ad it is 5' high, 7' wide, and more than
Williams 30' long. The incline is 3' high, 5' wide, and 50' long. No access deterrents.
Jeffrey's No. 2 *: Two horizontal openings. One opening is about 4' high, 5' wide and of unknown length.
The other opening is 4' high, 3' wide and also of unknown length. No access deterrents.
Jeffrey's No. 3 *: West of Jeffrey's No.3; inclined opening. Incline is 2' high, 3' wide, and
at least 30' long. No access deterrent.
Jeffrey's (New) *: South of area; horizontal opening. Ad it is about 1' high, 1.5' wide and of unknown lengtY
Mine area Dead tree across opening is fairly effective deterrent.

Key to unique features symbols: Z Multiple mining zones
* Mine opening information
Reclam ation and/or plans -- Table Two S Subsidence features
lists hazard abatement work F Mine fires
+ Di screpancy between two sources D Mine drainage -49-