Buttes Gas & Oil Iron Hill – Powder Horn

Summary

Environmental assessment (1976-1978). Covers Iron Hill, Powderhorn, Gunnison County. Topics: titanium development, environmental inventory, open pit method, surface mining. Agencies: Buttes Gas & Oil, Western State College of Colorado, Colorado Air Pollution Control Commission. Cites 15 external works.

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Stakeholders (25)

Agencies, organizations, and groups mentioned as actors in this document.

Bureau of Land Management (implied via Federal Register)United States Environmental Protection Agency (USEPA)Colorado Department of Wildlife (CDOW)United States Geological Survey (USGS)Soil Conservation Service (now Natural Resources Conservation Service)Colorado Department of Health (CDH)Colorado State University (C.S.U.)Western State College

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Colorado Department of Transportation (CDOT)University of Colorado (Colorado Springs Campus)Colorado Mined Land Reclamation BoardHomestake Mining CompanyColorado Air Pollution Control Division (APCD)Air Pollution Control Division (APCD)

Places (1)

Lake Fork of Gunnison River

Concepts & Topics (24)

Wildlife management Geology Mineral leasing and development Temperature Winter snowpack Underground Mining Density Tailings disposal

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Overburden management igneous intrusive rocks igneous intrusive rocks mill sites Aquatic biology titanium ore body

Species (5)

Engelmann Spruce Artemisia tridentata Populus tremuloides Pseudotsuga menziesii Artemisia aggregatta

External References Cited (19)

Works cited by this document, grouped by type.

book (8)

Forest Microclimatology (1978) — Lee, R.
Environment and Plant Ecology (1975) — Etherington, J.R.
Climate in a Small Area (1975) — Yoshino, M.M.
Microclimate: the biological environment (1974) — Rosenberg, N.J.
Plants and Environment, 3rd ed. (1974) — Daubenmire, R.F.

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Biometerological Methods (1970) — Munn, R.E.
Climate and Agriculture (1968) — Chang, J.H.
The Climate Near the Ground, 4th ed. (1965) — Geiger, R.

report (4)

Study design for the Iron Hill – Powderhorn environmental inventory (1976) — Ferchau, Hugo A.
study design (1976) — Ferchau
EPA AP-42 (1976)
Powderhorn Quadrangle map (1975) — D.C. Hedlund and J.C. Olson