Hydrology and water quality of the principal springs in Puerto Rico
Guzmán Ríos, Senén
Hydrology and water quality of the principal springs in Puerto Rico by Senén Guzmán-Ríos. - San Juan, P.R. Geological Survey 1988. - v, 30 p. ill., maps.
Water quality--Measurement.--Puerto Rico
Springs--Puerto Rico.
Puerto Rico--Water.
Hydrology and water quality of the principal springs in Puerto Rico by Senén Guzmán-Ríos. - San Juan, P.R. Geological Survey 1988. - v, 30 p. ill., maps.
Water quality--Measurement.--Puerto Rico
Springs--Puerto Rico.
Puerto Rico--Water.