Conservation networks
Man and the hill
National network of hydrologic bench marks
Leopold, Luna B. (Luna Bergere)
1915-2006
creator
text
dcu
Washington
1962-
1962
9999
monographic
eng
v. illus. 27 cm.
pt.A. The man and the hill.--pt.B. A national network of hydrologic bench marks.
by Luna B. Leopold.
Hydrology
Research
Nature
Effect of human beings on
Water conservation
QE75 .C5 no. 460 A, etc.
gs 62000242
U.S. Geol. Survey. Libr.
860128
20260227111411.0
gs 62000242