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Publication Extents

Not all publications have extents, not all extents are completely accurate
Preliminary geologic map of the northeastern part of the Tanana quadrangle, Alaska
Robert M. Chapman, Warren Yeend
1972, Miscellaneous Field Studies Map 342
Mapping is based on both ground observations and aerial observations from a helicopter, August 11-19 and September 1-5, 1970, and supplemented by interpretation from aerial photographs. Bedrock geology chiefly by R.M. Chapman, and surficial geology chiefly by W.E. Yeend....
Appraisal of iron deposits in southern and western Turkey
Jacob Eugene Gair, Ussal Z. Capan
1972, Open-File Report 72-125
Between May 20 and June 17, 1969, previously known iron deposits were examined widely at eight separate localities in western Turkey. The object of the examinations was to learn the, nature, geologic setting, and approximate size of each deposit, to review prior estimates of size, and possibly recommend additional exploratory...
Landslide susceptibility in San Mateo County, California
Earl E. Brabb, Earl H. Pampeyan, Manuel G. Bonilla
1972, Miscellaneous Field Studies Map 360
Information on areas susceptible to failure by landsliding is available in many general geologic maps and reports.  However, it is commonly presented in complex, technical language, together with data not connected with slope stability.  This derivative map is intended to convey such information in nontechnical form so that it will...