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HYDRO31032
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Entry Properties
Last modified
8/24/2016 8:54:45 PM
Creation date
11/21/2007 1:09:24 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1980233
IBM Index Class Name
Hydrology
Doc Date
2/29/1996
Doc Name
COSTILLA LANDFILL PIT COSTILLA CNTY COLO
From
GREYSTONE
To
DMG
Media Type
D
Archive
No
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February 28, 1996 <br />Mr. James Stevens <br />State of Colorado <br />Division of minerals and Geology <br />Department of Natural Resource <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />Re: Costilla LandFll Pit, Costilla County, Colorado <br />Dear Mr. Stevens: <br />iii ii~iiiiiniii iii <br />aoa <br />>;,~ <br />~B ~ 9 X996 <br />Division of Minerals K tieoWyv <br />Greystone has prepared the enclosed figures for the above referenced site. The figures are being <br />submitted to fulfill the requirements of Conditions I and 2 of the letter issued by the Division of <br />Minerals and Geology dated January 17, 1996. <br />Figure 1 is a regional site map displaying the site and the surrounding area. Figure 2 is a site <br />map displaying the location for the proposed monitor wells. Please contact the if you would like <br />to discuss the location of the proposed wells. <br />Greystone was on site February 21, 1996 to install four monitor wells. We attempted drilling the <br />the boreholes utilizing hollow stem augers and experienced auger refusal at a depth of 42 feet <br />below grade in two locations. To penetrate the bedrock encountered at 42 feet below grade, <br />Greystone has contracted Ground Exploration, Inc. to drill the boreholes. Ground Exploration <br />is proposing to drill the boreholes with an air rotary drill rig. Ground Exploration is a Colorado <br />licensed well driller (Well License lt1240). A copy of their license is attached. Because of the <br />depth of the wells, estimated to be completed at approximately 75 feet below grade, Greystone <br />has changed the casing and screen to be used from 2-inch to 4-inch Schedule 40 PVC. Greystone <br />has scheduled the drilling to start on March l2, 1996. <br />If you require any additional information, please contact me at (303) 850-0930. <br />Sincerely, <br />/« ~~~ <br />Ray Paliskie <br />Senior Project Manager <br />Enclosures <br />/ _C ^ <br />cc: Robert Vasquez -Costilla County <br />a&1~IVYL996co Iv <br />5990 Greenwood Plaza Blvd. Suite 250 Englewood, CO 80111 <br />(303) 850-0930 Fax (303) 721-9298 <br />
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