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Data Series 614

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Prepared in cooperation with
U.S. Department of Agriculture—Forest Service
U.S. Department of Interior—Bureau of Land Management
U.S. Department of Interior—National Park Service
Colorado Geological Survey

Geospatial Database for Regional Environmental Assessment of Central Colorado

By Stanley E. Church, Carma A. San Juan, David L. Fey, Travis S. Schmidt, Terry L. Klein, Ed H. DeWitt, Richard B. Wanty, Philip L. Verplanck, Katharine A. Mitchell, Monique G. Adams, LaDonna M. Choate, Todor I. Todorov, Barnaby W. Rockwell, Luke McEachron, and Michael W. Anthony

Thumbnail of and link to DS614 PDF (67 MB)Abstract

In conjunction with the future planning needs of the U.S. Department of Agriculture, Forest Service, the U.S. Geological Survey conducted a detailed environmental assessment of the effects of historical mining on Forest Service lands in central Colorado. Stream sediment, macroinvertebrate, and various filtered and unfiltered water quality samples were collected during low-flow over a four-year period from 2004–2007. This report summarizes the sampling strategy, data collection, and analyses performed on these samples. The data are presented in Geographic Information System, Microsoft Excel, and comma-delimited formats. Reports on data interpretation are being prepared separately.

First posted April 4, 2012

  • Database
    It is recommended to review the Readme file for database guidance.

For more information concerning this publication, contact:

USGS Central Mineral and Environmental Resources Science Center
Box 25046, Mail Stop 973
Denver, CO 80225
minerals.cr.usgs.gov

Part of this report is presented in Portable Document Format (PDF); the latest version of Adobe Reader or similar software is required to view it. Download the latest version of Adobe Reader, free of charge.

Suggested citation:

Church, S.E., San Juan, C.A., Fey, D.L., Schmidt, T.S., Klein, T.L. DeWitt, E.H., Wanty, R.B., Verplanck, P.L., Mitchell, K.A., Adams, M.G., Choate, L.M., Todorov, T.I., Rockwell, B.W., McEachron, Luke, and Anthony, M.W., 2012, Geospatial database for regional environmental assessment of central Colorado: U.S. Geological Survey Data Series 614, 76 p.


Contents

Abstract

Introduction

Description of Study Area

Geologic Data

Mineral Deposits

Sampling Design

Analytical Methods

Quality Assurance/Quality Control

Relationship between Sample Sites and Geology

CCAP Database

Acknowledgments

References Cited

Appendix


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