Open-File Report 02-126

SURFICIAL GEOLOGY ALONG THE SPOKANE RIVER, WASHINGTON AND ITS RELATIONSHIP TO THE METAL CONTENT OF SEDIMENTS

(IDAHO-WASHINGTON STATELINE TO LATAH CREEK CONFLUENCE)

by Stephen E. Box1 and John C. Wallis2

Prepared in cooperation with the Washington Department of Ecology

and the Environmental Protection Agency

1 U.S. Geological Survey, 904 West Riverside Avenue, Room 202, Spokane, WA 99201

2 Information Systems Support, Inc., Spokane, WA

2002

The purpose of this study is (1) to document the geographic distribution of Holocene (deposited in the last 11,000 years) sedimentary lithologies in and along the Spokane River, (2) to document the downstream variation of metal contents (especially lead [Pb] and zinc [Zn] ) by sedimentary lithology, and (3) to compare the metal contents of different sedimentary lithologies. This data is used to gain some understanding of the physical and chemical processes that control those metal contents. It is hoped this study can be used to guide potential future remedial actions aimed at reducing the biologic impact of metal-enriched sediments in this area. This work was undertaken in cooperation with the Washington Department of Ecology and the Environmental Protection Agency.

description of files available to download	file size
README file listing all files available for download	4 KB
Open-File Report 02-126 in Portable Document Format (PDF) Get Adobe Acrobat Reader to view pdf files	12.2 MB
Complete digital data package including all shape files, .dbf's, metadata files, and report in .pdf Utilities to extract TAR and GZIP files on your Windows or Macintosh	4.4 MB
Metadata file for ArcView shapfile Metadata file for geochemical analysis table (.dbf format)	20 KB 32 KB
Shapefiles for Spokane River geologic units, in ArcView format: srgeounits.sbn srgeounits.sbx srgeounits.shp srgeounits.shx srgeounits.dbf	12 KB 4 KB 264 KB 4 KB 64 KB
Geochemical data for sediment samples from the Spokane River (table 1 from report) in .dbf format	32 KB

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Created: 6-11-01
Last modified: 3-20-02 (df)
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