Headwaters control and use a summary of fundamental principles and their application in the conservation and utilization of waters and soils throughout headwater areas. Papers presented at the Upstream Engineering Conference, held in Washington, D.C., September 22 and 23, 1936

"Headwaters control and use a summary of fundamental principles and their application in the conservation and utilization of waters and soils throughout headwater areas. Papers presented at the Upstream Engineering Conference, held in Washington, D.C., September 22 and 23, 1936"@en
"Headwaters control and use : a summary of fundamental principles and their application in the conservation and utilization of waters and soils throughout headwater areas. Papers presented at the Upstream Engineering Conference, held in Washington, D.C., September 22 and 23, 1936"
"Headwaters control and use : a summary of fundamental principles and their application in the conservation and utilization of waters and soils throughout headwater areas : papers presented at the Upstream engineering conference held in Washington, D.C., September 22 and 23, 1936"