00992cam a22002891  4500001001300000003000400013005001700017008004100034010001700075035001900092040004800111042001200159050001600171082001000187100003100197245013600228260006400364300003900428490005500467502004600522500001000568504003000578650002200608650002700630650002800657999001700685gs 41000069 DLC20260227111346.0790621s1941    nyuaf    b    000 0 eng c  ags 41000069   a(OCoLC)5092773  aU.S. Geol. survey. LibrarycNICdOCoLCdDLC  apremarc00aQE801b.K44  a564.11 aSchoonover, Lois Margaret.12aA stratigraphic study of the mollusks of the Calvert and Choptank formations of southern Maryland ...cby Lois Margaret Schoonover.  aIthaca, N.Y.,bPaleontological research institution,c1941.  a134 p.b12 pl., fold. tab.c25 cm.0 aBulletins of American paleontology, v. 25, no. 94B  aThesis (Ph. D.)--Bryn Mawr college, 1940.  aVita.  aBibliography: p. 107-110. 0aMollusks, Fossil. 0aPaleontologyyMiocene. 0aPaleontologyzMaryland.  c27717d27717