00998cam a22002411 4500001001300000003000400013005001700017008004100034010001700075035001900092040004500111050002100156051002000177100005600197245022200253260004300475300004800518490005200566500005100618504004700669650002100716650001900737gs 17000482 DLC20260227111322.0760419s1917 xx 000 0 eng c ags 17000482  a(OCoLC)2123973 aU.S. Geol. Survey LibrarycMNSdMNSdDLC00aQE75b.P9 no. 99 aQE438b.W3 19171 aWashington, Henry S.q(Henry Stephens),d1867-1934.10aChemical analyses of igneous rocks,bpub. from 1884 to 1913, inclusive, with a critical discussion of the character and use of analyses, a revision and expansion of professional paper 14, by Henry Stephens Washington. aWashington,bGovt. Print. Off.,c1917. a1201 p.billus. (facsims., diagrs.)c29 cm.0 aU. S. Geological Survey. Professional paper 99 aAt head of title: Department of the Interior. a"List of publications examined": p. 37-44. 0aRocksxAnalysis. 0aIgneous rocks.