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GENERAL39403
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Entry Properties
Last modified
8/24/2016 7:58:52 PM
Creation date
11/23/2007 10:09:08 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1976020
IBM Index Class Name
General Documents
Doc Date
5/18/1977
Doc Name
APPLICATION FOR MINING AND RECLAMATION PERMIT - THOMAS PIT-NORTH HEROMSA COLO
From
ANIMAS AGGREGATES INC
To
MLR
Media Type
D
Archive
No
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<br />THOMAS PIT = ANIMAS AGGREGATES, <br />----~~ <br />INC. <br />The Thomas Pit lies two miles North•of Hermosa, Colorado, <br />in the Animas River Flood Plain at an approximate elevation of <br />6,700 feet. <br />The area was once the site of a gold dredging operation <br />which left a large hole approximatel1y 200 feet wide by 900 feet <br />/fni.++wa <br />long and a channel into it from the river. Sep4rating the <br />dredge hole and the channel from the river is a dike :approximately <br />1,400 feet long and oaring in width from 15 to 25 fees:. The channel <br />and hole are on the west side of the river's main stre;un and <br />during heavy run-off are flooded by water from the river. <br />*.~~+~gews~•CS sand aad gravel in the hole and channe , <br />The sand and gravel is then removed from thfa channel <br />and/or dredgehole with dozers, front-end loaders and i:rucks as <br />required. Excavation is performed from one to two months <br />year during late fall or early spring while the river is low. <br />The extraction of material is confined to the channel and dredge <br />e and does not follow the same sequence each year. When <br />dewatering is-required for excavation, the water is placed in <br />a ditch approximately 1,200 feet long and drains into a settling <br />pond of approximately one (1) acre which contains the dirty water <br />and allows it to seep back into the river system through the <br />aquifer. Direct discharge into the river is usually not required <br />but an NPDES permit has been obtained to permit discharge uader~ <br />specified conditions. <br />The excavated sand and gravel is stockpiled adjacent <br />to the dredge hole and then processed with a rock crusher to <br />-1- <br />
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