000 00931cam a22002771 4500
001 gs 62000242
003 DLC
005 20260227111411.0
008 860128m19629999dcua 000 0 eng c
010 _ags 62000242
035 _a(OCoLC)13071316
040 _aU.S. Geol. Survey. Libr.
_cTxHR
_dOCoLC
_dDLC
042 _apremarc
050 0 0 _aQE75
_b.C5 no. 460 A, etc.
100 1 _aLeopold, Luna B.
_q(Luna Bergere),
_d1915-2006.
245 1 0 _aConservation networks,
_cby Luna B. Leopold.
260 _aWashington,
_c1962-
300 _av.
_billus.
_c27 cm.
410 2 0 _aGeological Survey (U.S.).
_tCircular
_v460 A-
505 0 _apt.A. The man and the hill.--pt.B. A national network of hydrologic bench marks.
650 0 _aHydrology
_xResearch.
650 0 _aNature
_xEffect of human beings on.
650 0 _aWater conservation.
740 0 _aMan and the hill.
740 0 _aNational network of hydrologic bench marks.
999 _c29640
_d29640