00793cam a22002531  4500001001300000003000400013005001700017008004100034010001700075035001900092040001900111042001200130050001600142100002000158245005600178260002900234300005700263410005000320500008300370504002800453650001900481650002200500999001700522gs 63000328 DLC20260227111413.0780711s1963    aluab    b    000 0 eng    ags 63000328   a(OCoLC)4043463  aDLCcMiDWdDLC  apremarc00aQE471b.C571 aClarke, Otis M.10aResidual clays of the Piedmont province in Alabama.  aUniversity, Ala.,c1963.  a60 p.billus., maps (1 fold. col. in pocket)c23 cm.20aGeological Survey of Alabama.tCircularv20-A  aPrepared in cooperation with the Bureau of Mines, U. S. Dept. of the Interior.  aBibliography: p. 59-60. 0aClayzAlabama. 0aGeologyzAlabama.  c29751d29751