| | Report (issue) | Rock Units of the Precaittbriail Basement in Colorado GEOLOGIC A I, Rock Units of the Precambrian...Precambrian Basement in Colorado By OGDEN TWETO GEOLOGY OF THE PRECAMBRIAN BASEMENT IN COLORADO U.S. GEOLOGICAL...distribution of Proterozoic and Archean metamorphic and igneous rocks in outcrop and the buried basement...basement in Colorado UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1987 DEPARTMENT OF THE...Library of Congress Cataloging in Publication Data Tweto, Ogden, 1912-1983 Rock units of the Precambrian | | | Report (issue) | PROFESSIONAL PAPER 600-C Scientific notes and summaries of investigations in geology, hydrology, and related... WASHINGTON: 1968 UNITED STATES DEPARTMENT OF THE INTERIOR STEW ART l. UDALL, Secretary GEOLOGICAL...William T. Pecora, Director For sale by the Superintendent of Documents, U.S. Government Printing Office...STUDIES Economic geol·ogy Occurrence of refractory clay in Randolph County, W.Va., by K. J. Englund and H....petrology Texture and composition of outcropping phosphorite in the Turayf region, northern Saudi Arabia | | | Report (volume) | Lexicon of Geologic Names Of the United States For 1936-1960 Part 1, A-F GEOLOGICAL SURVEY BULLETIN...BULLETIN 1200 Lexicon of Geologic Names Of the United States For 1936-1960 By GRACE C. KEROHER and others...compilation of the geologic names of the United States, its possessions, the Trust Territory of the Pacific...Pacific Islands, and the Panama Canal Zone UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1966 UNITED... UNITED STATES DEPARTMENT OF THE INTERIOR STEWART L. UDALL, Secretary GEOLOGICAL SURVEY William T. Pecora | | | Report (issue) | 1MARY OF NIFICANT .ULTS IN>eral resources iter resources ineering geology nd hydrology GEOLOGICAL SURVEY...Chapter A ographic surveys and mapping magement of resources on public lands 'estigations in other countries...results of investigations for fiscal year 1967, accompanied by short papers in the fields of geology...GOVERNMENT PRINTING OFFICE, UNITED STATES DEPARTMENT OF THE INTERIOR STEWART L. UDALL, Secretary GEOLOGICAL... A summary of recent significant scientific and economic results accompanied by a list of publications |
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