01056cam a22002891  4500001001300000003000400013005001700017008004100034010001700075035001900092040003100111050002200142051001400164082001100178086001600189100003400205245006000239260004800299300008300347410005600430500004300486500011400529504003000643650002600673650002200699740004500721gs 61000181 DLC20260227111410.0780320s1960    dcuabd   b   f000 0 eng    ags 61000181   a(OCoLC)3733367  aDLCcOClUdISSdOCoLCdDLC00aQE75b.P9 no. 328  aQE79b.S5  a557.820 aI 19.16:3281 aSimpson, Howard Edwin,d1917-00aGeology of the Yankton area, South Dakota and Nebraska.  aWashington,bU.S. Govt. Print. Off.,c1960.  a124 p.billus., maps (part fold., part col.) diagrs., profile, tables.c29 cm.20aGeological Survey (U.S.).tProfessional paper,v328  aPart of illustrative matter in pocket.  aPrepared as part of the program of the Dept. of the Interior for the development of the Missouri River Basin.  aBibliography: p. 118-121. 0aGeologyzSouth Dakota 0aGeologyzNebraska0 aYankton area, South Dakota and Nebraska.