Middle and Upper Devonian, text.

Gorde:
Xehetasun bibliografikoak
Erakunde egilea: Maryland Geological Survey
Formatua: Liburua
Hizkuntza:English
Argitaratua: Baltimore, The Johns Hopkins press, 1913.
Gaiak:
Deskribapena
Alearen deskribapena:At head of title: Maryland geological survey.
Plates VII-LXXIII, with the plates of the Lower Devonian, were issued in a separate volume under the title "Devonian plates."
"The sixth volume of a series of reports dealing with the systematic geology and paleontology of Maryland."
Deskribapen fisikoa:5 p.l., [13]-720 p. LXXIII pl. (incl. fold. diagr. in pocket) diagrs. 26 cm.