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Environmental aspects
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1.
Ground-water flow and effects of agricultural application of sewage sludge and other fertilizers on the chemical quality of sediments in the unsaturated zone and ground water near Platteville, Colorado, 1985-89
Author
Gaggiani, Neville G.
Published
Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey : Earth Science Information Center, Open-File Reports Section [distributor], 1995.
Online
Online book
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
2.
Integrated investigations of environmental effects of historical mining in the Animas River watershed, San Juan County, Colorado
Published
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2007.
Online
no.1651 v.1 2007
no.1651 v.2 c.3 pt.1 text 2007
v.1
v.2
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online