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2013-12-12_REVISION - C1982056 (12)
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2013-12-12_REVISION - C1982056 (12)
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Entry Properties
Last modified
8/24/2016 5:38:02 PM
Creation date
12/12/2013 10:45:01 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1982056
IBM Index Class Name
REVISION
Doc Date
12/12/2013
Doc Name
Class III Cultural Resource Inventory
From
Twentymile Coal Company
To
DRMS
Type & Sequence
MR270
Email Name
JDM
DIH
Media Type
D
Archive
No
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represent a significant and distinguishable entity whose components may lack individual <br />distinction. <br />Historic resources may be evaluated under any of the criteria. However, in the absence of <br />structural features or documented association with significant historic events or important <br />contributions of persons significant in history, historical resources are evaluated under essentially <br />the same criteria as prehistoric resources. <br />Anticipated results of the survey were based on the files searches and previous work in the <br />region. Previous inventory of the region suggests a low to moderate probability for encountering <br />cultural resources. Prehistoric /Protohistoric site type expectations in the area are for short -term <br />camps, lithic reduction sites, and aboriginal wooden features. Historic sites were expected to be <br />more prevalent and consisting of trash dumps, short -term hunting camps, railroads, or structures <br />related to the ranching industry. Data compiled for the region indicates sporadic prehistoric use of <br />the area rather than long -term habitation; therefore, prehistoric isolated finds were expected to <br />outnumber prehistoric sites. The topography of the project area is defined by creek valleys <br />bounded by rolling hills and ridges. The topography is moderately conducive to long -term or <br />short -term habitation, and extensive slope wash could have resulted in the identification of <br />artifacts from higher locales that are more likely to have been utilized by prehistoric peoples. <br />FIELD METHODS <br />A 200 -ft (60 -m) block was centered around each core hole and the well pad; they were <br />inventoried with parallel pedestrian transects spaced no more than 50 ft (20 m) apart. The 200 -ft <br />block at Core Hole WC012 was shifted because it is located immediately adjacent to a county road <br />on its south side. A block was surveyed along the other three sides of the core hole away from the <br />road to allow for changes to the construction footprint. Also, a 400 -ft by 300 -ft block was surveyed <br />at Core Hole WC006. This core hole is located near an existing powerline; therefore, additional <br />room will be needed for construction and drilling. These blocks yielded a total of 68 acres <br />surveyed. The 39,766 ft (7.53 mi) of surveyed access and 1227 ft (0.23 mi) of surveyed pipeline <br />corridor were covered with a total corridor width of 100 ft (50 ft each side of the road or pipeline <br />center) for a total of 17 acres (see Figures 1 & 2). This resulted in a total of 85 acres being Class III <br />inventoried for this project. Surveyed roads included brand new routes and existing unimproved <br />two -track roads. Additional access to the well locations will be via bladed, maintained, existing <br />roads. No changes will be made to these roads, and they were not inventoried for cultural <br />resources. <br />Special attention was paid to areas of enhanced subsurface visibility such as road cuts, <br />drainage cut banks, and animal trails for artifacts, features, or buried cultural horizons. A site is <br />defined as a discrete locus of patterned human activity greater than 50 years of age and consisting <br />of five or more prehistoric artifacts with or without features, or a single hearth, or over 50 historic <br />artifacts with associated features. Isolated finds are defined as fewer than five prehistoric or 49 <br />historic artifacts without associated features. Exceptions to this definition include a single core <br />reduction event with a single core and associated reduction debitage; a single pot/bottle drop, <br />where all the sherds are from a single vessel; or prospector pit with/or without artifacts and no <br />associated historic structures or features. These resources would have been recorded as isolated <br />10 <br />
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