01168cam a22003371  4500001001300000003000400013005001700017008004100034010001700075035001900092040005400111042001200165043001200177045000900189050002200198051002400220082001100244100005600255245014700311260002200458300004100480490007600521500008100597500002600678504002500704650001000729650002000739650002400759650001300783650003400796gs 46000019 DLC20260227111351.0780808s1946    oruabf   b   s000 0 eng c  ags 46000019   a(OCoLC)4120208  aU. S. Geol. Survey. Libr.cNcRSdNcRSdOCoLCdDLC  apremarc  an-us-or  ax4x400aQE155b.A3 no. 30  aTN939b.T8cCopy 2.  a553.621 aTwenhofel, William H.q(William Henry),d1875-1957.10aMineralogical and physical composition of the sands of the Oregon coast from Coos Bay to the mouth of the Columbia River,cby W. H. Twenhofel.  a[Portland]c1946.  a64 p.billus., maps, plates.c28 cm.0 aOregon. State Dept. of Geology and Mineral Industries. Bulletinvno. 30  aAt head of title: State of Oregon.  Dept. of Geology and Mineral Industries.  aErrata slip inserted.  aBibliography: p. 64. 0aSand. 0aCoastszOregon. 0aMineralogyzOregon. 0aBeaches. 0aSedimentation and deposition.