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Electric phosphate-smelting furnace in a TVA chemical plant, Muscle Shoals, Alabama, photograph by Alfred T. Palmer, 1942
Electric phosphate-smelting furnace in a TVA chemical plant, Muscle Shoals, Alabama, photograph by Alfred T. Palmer, 1942
“One of the small homes at Norris, Tenn.,” Tennessee Valley Authority, 1934
“One of the small homes at Norris, Tenn.,” Tennessee Valley Authority, 1934
Senate resolution ratifying the Hay-Bunau-Varilla Treaty, February 23, 1904
Senate resolution ratifying the Hay-Bunau-Varilla Treaty, February 23, 1904
“Spanish laborers at work in Culebra Cut,” stereograph, August 1914
“Spanish laborers at work in Culebra Cut,” stereograph, August 1914
Nicaragua Mount Momotombo 10 centavos postage stamp, ca. 1900
Nicaragua Mount Momotombo 10 centavos postage stamp, ca. 1900
The Gates, Pedro Miguel Lock, lithograph by Joseph Pennell, 1912
The Gates, Pedro Miguel Lock, lithograph by Joseph Pennell, 1912
Equity in Educational Land-Grant Status Act of 1994
Equity in Educational Land-Grant Status Act of 1994