000 00980cam a22002651 4500
001 gs 21000073
003 DLC
005 20260227111325.0
008 770426s1920 vauabf s000 0 eng c
010 _ags 21000073
035 _a(OCoLC)2918117
040 _aU.S. Geol. survey. Library
_cNAlfC
_dDLC
042 _apremarc
050 0 0 _aQE173
_b.A2 no. 20
082 _a557.55
100 1 _aRies, Heinrich,
_d1871-1951.
245 1 4 _aThe clays and shales of Virginia west of the Blue ridge,
_cby H. Ries and R. E. Somers.
260 _aCharlottesville,
_bUniversity of Virginia,
_c1920.
300 _avii, 3, 118 p.
_billus., XIV pl. (incl. map in pocket) tables, diagrs.
_c26 cm.
490 0 _aVirginia. Geological survey. Bulletin
_vno. 20
500 _aAt head of title: Virginia Geological survey. University of Virginia. Thomas Leonard Watson, director.
650 0 _aClay
_zVirginia
650 0 _aShale
700 1 _aSomers, Ransom Evarts,
_d1885-
_ejoint author.
999 _c26070
_d26070