Item #40018 CONTRIBUTIONS TO ECONOMIC GEOLOGY (SHORT PAPERS AND PRELIMINARY REPORTS) 1925; PART I, METALS AND NONMETALS EXCEPT FUELS: GEOLOGICAL SURVEY BULLETIN 780. G. F. Loughlin, G R. Mansfield.

CONTRIBUTIONS TO ECONOMIC GEOLOGY (SHORT PAPERS AND PRELIMINARY REPORTS) 1925; PART I, METALS AND NONMETALS EXCEPT FUELS: GEOLOGICAL SURVEY BULLETIN 780

Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1926. Soft cover. Item #40018

165 pages with maps, foldouts, photographs and index and the required eight maps in the rear pocket. A very good plus copy.

Price: $25.00