Baltimore county. - Maryland Geological Survey (Baltimore, The Johns Hopkins press, 1929)
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.
Some of the illustrative material is folded.
Bibliography: p. 38-57.