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U.S. Assistance in the Sahel
作者
United States. Congress. House. Staff Study Mission to Niger, Upper Volta, Mali, and Senegal / Gerald E. Pitchford / Stephen D. Nelson / Nathaniel Fields
出版1979
ISBN
MINN:31951D00819102C
主題
Economic assistance, American
The Ground-water Resources of Mississippi
作者
Lloyd William Stephenson / William Newton Logan / Gerald Ashley Waring / Charles Spaulding Howard
出版1927
ISBN
IND:30000144626706
主題
Groundwater
U.S. Information and Cultural Programs
作者
John Chapman Chester
出版1977
ISBN
CORNELL:31924010510356
主題
Latin America