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Field operations of the Bureau of Soils : report ; accompanying papers by assistents in charge of field parties
USA / Bureau of Soils; USA / Congress / House of … - Washington, DC : Gov.Print.Off. - 3.1901(1902) - 24.1922(1928); damit Ersch. eingest.
Persistent link: https://www.econbiz.de/10000435512
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Field operations of the Bureau of Soils / Maps : report ; accompanying papers by assistents in charge of field parties
USA / Bureau of Soils; USA / Congress / House of … - Washington, DC : Gov.Print.Off. - 1901(1902) - 1914(1919)[?]
Persistent link: https://www.econbiz.de/10000435513