01166nam a22002171 4500 gs 30000244 DLC 20260227111335.0 861231s1929 mduabf b 00000 eng gs 30000244 //r86 DLC/ICU ICU n-us-md QE122.B3 A5 1929 Maryland Geological Survey. Baltimore county. Baltimore, The Johns Hopkins press, 1929. 2 p.l., 420 p. incl. illus., maps, diagrs. XXVIII pl. (incl. maps, diagrs., profiles) and atlas of 3 fold. col. maps. 26 cm. Some of the illustrative material is folded. Bibliography: p. 38-57. Preface.--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. 26817 26817