TY  - BOOK
AU  - Pearson, H. S.
ED  - E.U.A. Soil Conservation Service.
TI  - Little waters: : a study of headwater streams and other little waters, their use and relations to the land
U1  - 631.7 
PY  - 1936///
CY  - (Washington)
PB  - Soil Conservation Service
KW  - Irrigación
ER  -