Human factors involved in the development of a watershed in Yabucoa
by Fernando del Rio ... [et al.].
- Mayaguez Water Resources Research Institute, School of Engineering, University of Puerto Rico, Mayaguez campus [1970]
- vi, 72 leaves 28 cm.
"Research project A-013-PR, technical completion report." Supported in part by the U.S. Dept. of the Interior under the Water Resources Research Act of 1964. "July, 1970."