Atlas consists of 3 folded maps, in portfolio: "Geological formations" and "Topography and election districts" made in cooperation with U. S. Geological survey; "Agricultural soils" made in cooperation with U. S. Bureau of soils Wm. Bullock Clark, state geologist "Bibliography containing references to the geology and economic resources of Cecil county": p. 49-62 Preface.--Introduction.--Development of knowledge concerning the physical features of Cecil county with bibliography, by G. B. Shattuck.--The physiography of Cecil county, by G. B. Shattuck.--The geology of the crystalline rocks of Cecil county, by F. Bascom.--The geology of the coastal plain formations, by G. B. Shattuck.--The mineral resources of Cecil county, by E. B. Mathews.--The soils of Cecil county, by C. W. Dorsey and J. A. Bonsteel.--The climate of Cecil county, by O. L. Fassig.--The hydrography of Cecil county, by H. A. Pressey.--The magnetic declination in Cecil county, by L. A. Bauer.--The forests of Cecil county, by H. M. Curran, with an introduction by G. B. Sudworth