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PERMFILE135208
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PERMFILE135208
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Entry Properties
Last modified
8/24/2016 10:35:57 PM
Creation date
11/26/2007 3:11:24 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1977344
IBM Index Class Name
Permit File
Doc Date
7/6/1978
Doc Name
PORTLAND QUARRY APPLICATION 770344
From
IDEAL BASIC INDUSTRIES
To
MLR
Media Type
D
Archive
No
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I~~ • ~ Page 2 <br />State of Colorado <br />Mined Land Reclamation <br />(ii) Exhibit C, page 2(d) mentions the reason the cement <br />plant was excluded from affected land. This exclusion <br />was approved by Mr. Schmieding after consultation with <br />Mr. McCall. Portland cement is a separate manufactured <br />product with cement plant equipment and buildings ex- <br />cluded from affected land in several states with similar <br />regulations. <br />(iii) Exhibit D. Introduction mentions an average thick- <br />ness of 35.4 feet of the lower Fort Hays limestone <br />is quarried with 8 to 12 feet of the overlying Fort <br />Hays. This 43 to 48 total feet of limestone has <br />usually been quarried in one bench; however, a recent <br />two-bench operation was initiated for quality control <br />reasons. <br />The quarry floor slopes about 25 feet per 1,000 feet <br />to the southwest. The surface elevations as indicated <br />by the 5-ft. interval topography shown on map pcc-1387 <br />is primarily the erosional pattern of the limestone de- <br />posit, with minor varying amounts of soil materials and <br />gravels as generally located in Exhibit B (c), para- <br />graph 3. The location and depths of these materials are <br />not a matter of record other than the difference between <br />surface and floor elevations at any given location. <br />Limestone quality information is available from a few <br />selected core drill holes for general estimation. <br />Overall stripping ratio of the west quarry was calculated <br />at about 1 to 1, but recent operation indicates this <br />may approach 1.3 to 1. Bench depths vary according <br />to the actual conditions encountered as the quarry ad- <br />vances, amounts of cement types manufactured including <br />factors mentioned in Exhibit D (e). Due to these fac- <br />tors and the long range nature of the operation, only <br />general information of bench depth and quarry advance <br />can be given. <br />The small (40,000 tons per year) amount of sandstone <br />to be quarried will vary in depth of excavation up to <br />about 8 feet, normally quarried to allow gravity drain- <br />age of water from the excavation. <br />II. Exhibit A - Legal Description <br />Legal descriptions in Sections 8 and 9, references 10-acre <br />tracts numbered 1 through 64 in each section in the same <br />manner as sections within a township. For clarification <br />purposes, these Section 8 and 9 lands can also be described <br />as follows: <br />
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