Context

Context of Surface water supply of the United States, 1922. Part IV. St. Lawrence River basin, [by] Nathan C. Grover, chief hydraulic engineer, S.B. Soule, A.H. Horton, Lasley Lee, C.C. Covert, A.W. Harrington and C.H. Pierce, district engineers. [U.S. Geological Survey Water Supply Paper 544.].