Popis
Popis jednotky:The third volume of a series of reports dealing with systematic geology and paleontology of Maryland.
William Bullock Clark, state geologist.
Versos of several plates on which brief explanations are given are numbered as pages.
Fyzický popis:291 p. illus, LXXV pl. (incl. maps, part fold.) diagrs. 26 cm.
Bibliografie:Bibliography: p. 40-56.