01166nam a22002171 4500001001300000003000400013005001700017008004100034010002200075040001700097043001200114050002200126110003200148245002200180260004800202300013100250500004900381504002800430505047300458999001700931gs 30000244 DLC20260227111335.0861231s1929 mduabf b 00000 eng  ags 30000244 //r86 aDLC/ICUcICU an-us-md0 aQE122.B3bA5 192920aMaryland Geological Survey.10aBaltimore county.0 aBaltimore,bThe Johns Hopkins press,c1929. a2 p.l., 420 p. incl. illus., maps, diagrs.bXXVIII pl. (incl. maps, diagrs., profiles) and atlas of 3 fold. col. maps.c26 cm. aSome of the illustrative material is folded. aBibliography: p. 38-57.0 aPreface.--Development of knowledge concerning the physical features of Baltimore county, by E.W. Berry.--The physiography of Baltimore county, by Eleanora B. Knopf.--The geology of the crystalline rocks of Baltimore county, by Eleanora B. Knopf and Anna I. Jonas.--The geology of the coastal plain of Baltimore county, by E.W. Berry.--The mineral resources of Baltimore county, by E.B. Mathews and L.H. Watson.--The soils of Baltimore county, by W.T. Carter, jr., J.M. c26817d26817