TY  - BOOK
AU  - Grover,Nathan C.
AU  - Follansbee,Robert      Purton,H.B.
AU  - Purton,H.B.
AU  - Dickinson,W.E.
TI  - Surface water supply of the United States 1927 : : Part IX Colorado river basin
PY  - 1930///
CY  - Washington, D.C.
PB  - Government Printing Office
N1  - Impreso
ER  -