A geological reconnaissance of bland, giles, wythe and portions of Pulaski and Montgomery counties of Virginia /
Stevenson, John James.
A geological reconnaissance of bland, giles, wythe and portions of Pulaski and Montgomery counties of Virginia / by John J. Stevenson. - [S.l. : s.n., 1887?] - p. 61-108, [1] h. pleg. de map. : il. ; 23 cm.
En port.: Read before the American Philosophical Society, march 18 th, 1887.
Geología---Virginia.
A geological reconnaissance of bland, giles, wythe and portions of Pulaski and Montgomery counties of Virginia / by John J. Stevenson. - [S.l. : s.n., 1887?] - p. 61-108, [1] h. pleg. de map. : il. ; 23 cm.
En port.: Read before the American Philosophical Society, march 18 th, 1887.
Geología---Virginia.
