Context

Context of Second powerhouse, McNary Lock and Dam, Washington and Oregon : letter from the Secretary of the Army, transmitting, a letter from the Chief of Engineers, Department of the Army, dated June 29, 1976, submitting a report, together with accompanying papers and illustrations, on the second powerhouse, McNary Lock and Dam, Washington and Oregon, requested by a resolution of the Committee on Public Works, United States Senate, adopted July 27, 1962
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