000 00934cam a22002771 4500
001 gs 44000046
003 DLC
005 20260227111350.0
008 780808s1944 oruaf b s000 0 eng c
010 _ags 44000046
035 _a(OCoLC)4120272
040 _aU. S. Geol. Survey. Libr.
_cNcRS
_dNcRS
_dOCoLC
_dDLC
045 _ax4x4
050 0 0 _aQE155
_b.A3 no. 26
051 _aQE571
_b.T85
082 _a631.45
100 1 _aTwenhofel, William H.
_q(William Henry),
_d1875-1957.
245 1 0 _aSoil, the most valuable mineral resource,
_bits origin, destruction and preservation,
_cby W. H. Twenhofel.
260 _a[Portland,
_c1944]
300 _a45, [2] p.
_billus., plates.
_c28 cm.
490 0 _aOregon. State Dept. of Geology and Mineral Industries. Bulletin
_vno. 26
500 _aReproduced from type-written copy.
504 _a"References cited": p. [46]-[47]
650 0 _aErosion.
650 0 _aSoil conservation.
999 _c27959
_d27959