TY  - BOOK
TI  - Headwaters control and use
U1  - 333.7317 21st ed.
PY  - 1937///
CY  - Washington, D.C.
PB  - Soil Conservation Services and Forest Service of the United States Department of Agricultural
KW  - Conferences
KW  - Soil conservation
KW  - Water
KW  - Watershed management
ER  -