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Fiftieth annual report of the Director of the Geological Survey
George Otis Smith
1929, Annual Report 50
The appropriations made directly for the work of the Geological Survey for the fiscal year 1929 included 14 items, amounting to $2,135,609. In addition $120,000 was appropriated for printing and binding for the Geological Survey, and an allotment of $14,765 for miscellaneous supplies was made from appropriations for the Interior...
Geology of the De Queen and Caddo Gap quadrangles, Arkansas
Hugh D. Miser, Albert Homer Purdue
1929, Bulletin 808
The field study of the geology of the De Queen and Caddo Gap quadrangles extended over a period of many years, and although the scientific and economic results from the study are here set forth fully for the first time in a single report, a number of publications have been...