St. Mary's county.
- Baltimore, The Johns Hopkins press, 1907.
- 209 p. illus. xvi pl., diagrs. and atlas of 3 fold. maps (in portfolio) 26 cm.
Wm. Bullock Clark, state geologist.
Bibliography: p. 38-53.
Preface.--Introduction.--Physical features, with bibliography: Physiography: Geology: by G. B. Shattuck.--Economic resources, by B.L. Miller.--Soils, by J.A. Bonsteel.--Climate, by C.F. von Herrmann.--Hydrography, by N.C. Grover.--Magnetic declination, by L.A. Baner.--Forests, by C.D. Mell.