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2013-12-12_REVISION - C1982056 (13)
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2013-12-12_REVISION - C1982056 (13)
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Entry Properties
Last modified
8/24/2016 5:38:02 PM
Creation date
12/12/2013 9:31:35 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
MR269
Email Name
JDM
DIH
Media Type
D
Archive
No
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This cultural resource inventory was mandated by the National Historic Preservation Act <br />(NHPA) of 1966 because portions of the project are located on land administered by the State of <br />Colorado Land associated with the Sage Creek Mine development and falls under the mandates set <br />forth by the Division of Reclamation, Mining, and Safety. Additional portions of the project are <br />located on land administered by the BLM, Little Snake Field Office and fall under the mandates set <br />forth by Section 106 of the NHPA. Fieldwork was conducted on November 12, 13, and 14, 2013 by <br />Melissa Elkins, Jenny Stahl, and Rebecca Simon with Melissa Elkins acting as Project Manager and <br />Kim Kintz as Principal Investigator. All work was completed under the stipulations of Colorado <br />Cultural Resources permits CO- 2013 -70 (expires 02/28/2014) and C -39290 (expires 09/18/2016). <br />Inventory for this project resulted in the discovery and documentation of one segment <br />(5RT3259.1) of a newly recorded spur of the historic Denver and Rio Grande Western Railroad <br />(5RT1396). MAC recommends 5RT3259.1 eligible under Criteria A and D and recommends this <br />segment as supporting the overall significance of the resource. No artifacts were collected during <br />this project. <br />EFFECTIVE ENVIRONMENT <br />This project is located along the east side of Twentymile Park generally between Fish and <br />Foidel Creeks approximately eight miles south of the Yampa River in Northwest Colorado. In <br />general the area is a high plateau with rugged mountainous areas, broad valleys, and rolling upland <br />parks. The area is drained by a dendritic pattern of seasonal drainages flowing generally west to <br />Fish Creek, a tributary of Trout Creek which flows north to the Yampa River. <br />Quaternary deposition in the project area is mostly alluvial with some areas of colluvium. <br />Dark brown silts and sandy silts up to several meters thick have accumulated in the drainage <br />bottoms. Holocene deposits on the tops and upper slopes of the low ridges are thin and consist of <br />light to medium brown silty loams. Alluvium has accumulated in the drainage bottoms and thin <br />aeolian deposits have accumulated in the hills, especially on the leeward sides of ridges. <br />The project area is situated at the west edge of a structural syncline underlain by <br />Cretaceous age Lewis Shales and sandstones, coal beds and shales of the Williams Fork Formation <br />(Tweto 1979). The tops of the high ridges, knobs and hills surrounding Twentymile Park are <br />capped by the thick, light colored Twentymile sandstone. Outcroppings of the Twentymile <br />sandstone in the area are the frequent locations of rock art panels and rockshelters (Pool 1997). <br />Although there are sandstone outcrops in the project area, no cliff faces suitable for rock shelters or <br />rock art occur. <br />Sagebrush, grasses, and mixed forbs are found in the park and along drainages. Vegetation <br />cover in the project varies from 40 percent to 100 percent. The vast majority of the project area is <br />in areas of improved range lands where the native sagebrush has been replaced by a mix of native <br />and non - native livestock forage. Area fauna includes a variety of large ungulates, black bear, <br />coyote, fox, and several species of small and medium -sized mammals. Numerous avian species <br />also inhabit or utilize the area. <br />2 <br />
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