Washington : United States Government Printing Office, 1931
Physical Details
xii, 252 pages : illustrations, maps ; 24 cm
OCLC
ocm00172652
Also available online.
Irrigation -- Shackling the Colorado -- Public lands -- Oil conservation -- Kettleman Hills -- Natural-gas conservation -- The states act for oil conservation -- National parks -- Conservation of the Indian -- Conservation of the child -- Continental conservation -- The Committee on the Public Domain -- Territorial administration -- Conservation in the Geological Survey -- Conservation by the General Land Office