TY  - BOOK
AU  - Tolley,George S.
AU  - Riggs,Fletcher Eugene
ED  - Symposium on the Economics of Watershed Planning, Knoxville
TI  - Economics of watershed planning
AV  - HD1691 .S9 1950
U1  - 333.91 
PY  - 1961///]
CY  - Ames
PB  - Iowa State University Press
KW  - Watersheds
KW  - Water resources development
N1  - Bibliographical footnotes; Also issued online
UR  - http://www.archive.org/details/economicsofwater00symp
UR  - http://www.openlibrary.org/books/OL5802553M
ER  -