andrus e c (4 resultados)

Hardcover. Condición: Good. No Jacket. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less.

Soft cover. Condición: Good. vi, 40 pp., 9 foldout leaves of plates (in pocket) : illustrated ; 29 cm. ; LCCN: 76-608283 ; OCLC: 2509017 ; GovDoc: I 19:16:1018; LC: QE604; Dewey: 551.8/7/09768 ; stiff illustrated paper wrappers ; "Five distinct changes in color of conodonts have been utilized to estimate the oil and gas potential of the southern Appalachians. An Ordovician isograd suggests that most of the Plateaus, but only a small part of the Valley and Ridge in Tennessee and adjacent parts of Virginia, have a potential for commercial production of oil. The same data, however, show that a much larger area, including most of the Valley and Ridge, has a potential for natural-gas production."--Abstract ; some foxing, spine sunned, else G. Book.

Hard Covers. Condición: Very Good. Estado de la sobrecubierta: Very Good. Books in very solid, unmarked condition. Dust jackets are price-clipped, with mild toning to spines, mild rubbing/staining to rear panels.

Hardcover. Condición: Near Fine. Estado de la sobrecubierta: Good. 1st. 1st ed. 2 vols. 899p. total. Photos. Rubber stamps inside. Occasional marginala. Near Fine/Good Set.