01480nam a2200301Ia 4500001001200000003000800012006001900020007001500039008004100054010001700095040002100112035002000133050002200153110007800175245022300253260011100476300001500587490005600602533015200658610002900810650003900839655002900878700005400907710001700961830005700978856012601035999001701161ebr10071370CaPaEBRm        u        cr cn|||||||||750418s1932    dcu     s     000 0 eng d  z   33004085   aCaPaEBRcCaPaEBR  a(OCoLC)5855800614aQE72b.N38 1932eb2 aNational Research Council (U.S.).bCommittee on State Geological Surveys.10aSummary information on the State Geological Surveys and the United States Geological Surveyh[electronic resource] /ccompiled under the direction of the National Research Council Committee on State Geological Surveys.  aWashington, D.C. :bPublished by the National Research Council of the National Academy of Sciences,c1932.  avi, 136 p.1 aBulletin of the National Research Council ;vno. 18  aElectronic reproduction.bPalo Alto, Calif. :cebrary,d2011.nAvailable via World Wide Web.nAccess may be limited to ebrary affiliated libraries.20aGeological Survey (U.S.) 0aGeological surveyszUnited States. 7aElectronic books.2local1 aLeighton, Morris M.q(Morris Morgan),d1887-1971.2 aebrary, Inc. 0aBulletin of the National Research Council ;vno. 18.40uhttp://site.ebrary.com/lib/rucke/Doc?id=10071370zAn electronic book accessible through the World Wide Web; click to view  c44038d44038