Ferricrete, manganocrete, and bog iron occurrences with selected sedge bogs and active iron bogs and springs in the upper Animas River watershed, San Juan County, Colorado /

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Bibliographic Details
Author / Creator:	Yager, Douglas B.
Edition:	Version 1.1.
Imprint:	Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey, 2003.
Description:	1 electronic map : HTML, digital, PDF file.
Language:	English
Series:	U.S. Geological Survey miscellaneous field studies map ; MF-2406 Miscellaneous field studies ; map MF-2406.
Subject:	Bogs -- Colorado -- San Juan County -- Maps. Iron ores -- Geology -- Colorado -- San Juan County -- Maps. Manganese ores -- Geology -- Colorado -- San Juan County -- Maps.
Cartographic data:	Scale 1:24,000 (W 108⁰00ʹ--W 107⁰30ʹ/N 38⁰00ʹ--N 37⁰45ʹ).
Format:	E-Resource Map U.S. Federal Government Document
URL for this record:	http://pi.lib.uchicago.edu/1001/cat/bib/7141010

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Other authors / contributors:	Geological Survey (U.S.)
Computer file characteristics:	Electronic data and programs.
Notes:	Title from HTML index page (viewed Apr. 3, 2003). Includes text, col. ill., and index map. Includes bibliographical references. Mode of access: Internet from the USGS web site. Address as of 5/19/08: http://pubs.usgs.gov/mf/2003/mf-2406/; current access via PURL,
GPO item no.:	0619-G-11 (online)
Govt.docs classification:	I 19.113:MF-2406

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