PUCPR Search for 'an:49826'

Manual de fertilizantes

México Editorial Limusa 1970 .
vii, 292 p. , Translation of: The fertilizer handbook. | Includes index. 19 cm..
9681803108

Occurrence and transport of agricultural chemicals in the Mississippi River basin, July through August 1993

By Goolsby, D. A..
[Washington] | Denver, CO U.S. G.P.O. | Free on application to the U.S. Geological Survey, Map Distribution 1993 .
v, 22 p. , Title on p. [4] of cover: Occurrence and transport, agricultural chemicals, Mississippi River basin, July through August, 1993. 28 cm..

Water quality in the Delmarva Peninsula, Delaware, Maryland, and Virginia, 1999-2001

Reston, VA | Denver, CO U.S. Dept. of the Interior, U.S. Geological Survey | For sale by U.S. Geological Survey, Information Services 2004 .
vi, 30 p. 28 cm..
060792635X