01071cam a22003011 4500001001300000003000400013005001700017008004100034010001700075035002000092040003900112042001200151050002200163051002700185082001000212100004400222245012300266260002300389300003800412490003600450500005300486500004000539504003100579650003500610650003800645650003800683810004800721gs 53000232 DLC20260227111400.0860225s1953 dcuab b 000 0 eng c ags 53000232  a(OCoLC)13193333 aU.S. Geol. Survey Libr.cTxHRdDLC apremarc00aQE75b.C5 no. 228 aTN805.W8bM35cCopy 2. a553.21 aMapel, W. J.q(William Jameson),d1922-12aA thick coal bed near Lake De Smet, Johnson County, Wyoming,cby William J. Mapel, James M. Schopf, and James R. Gill. aWashington,c1953. aiii, 47 p.billus., maps.c27 cm.0 aGeological Survey circularv228 aPart of illustrative matter is folded in pocket. a"Correction" slip inserted, p. iii. aBibliographical footnotes. 0aCoalzWyomingzJohnson County. 0aGeologyzWyomingzJohnson County. 0aBoringszWyomingzJohnson County.2 aGeological Survey (U.S.).tCircular ;v228.