Maryland Geological Survey Charles Kephard Swartz b. 1861; William F Prouty 1879-1949 (William Frederick); Edward Oscar Ulrich 1857-1944; Ray S Bassler b. 1878 (Ray Smith)
Baltimore The Johns Hopkins press 1923
Localização:
IGC - Instituto de Geociências
(551.7310973 M393s )(Acessar)
Maryland Geological Survey William Bullock Clark 1860-1917; Marcus I Goldman b. 1881 (Marcus Isaac); Edward Wilber Berry b. 1875; Julia Anna Gardner b. 1882; Henry Augustus Pilsbry b. 1862; Ray S Bassler b. 1878 (Ray Smith); Lloyd William Stephenson b. 1876
Baltimore The Johns Hopkins press 1916
Localização:
IGC - Instituto de Geociências
(551.770973 M393u v.2 )(Acessar)