Wikimedi'Òc

A Comparative Study of the Lower Cretaceous Formations and Faunas of the United States.pdf - Abyssal

Bulletin of the Geological Society of America (IA bulletinofgeo13190102geol).pdf - Fæ

Bulletin of the Geological Society of America (IA bulletinofgeol6189495geol).pdf - Fæ

Bulletin of the Geological Society of America (IA bulletinofgeolog20190geol).pdf - Fæ

The Journal of geology (IA journalofgeology51897univ).pdf - Fæ

Monographs of the United States Geological Survey (IA monographsofunit501906geol).pdf - Fæ

Cecil county (IA cecilcounty00mary).pdf - Fæ

Water resources of the Philadelphia district; (IA waterresourcesof00basc).pdf - Fæ

Maryland Geological Survey - reports dealing with the systematic geology and paleontology of Maryland (IA marylandgeo611916mary).pdf - Fæ

Clays, their occurrence, properties, and uses, with especial reference to those of the United States (IA occurrclaystheir00riesrich).pdf - Fæ

Annals of the Carnegie Museum (IA annalsofcarnegie13carn).pdf - Fæ

Upper Cretaceous .. (IA uppercretaceous02maryrich).pdf - Fæ

The flora of the Cheyenne sandstone of Kansas .. (IA cu31924003002106).pdf - Fæ

Annual report of the state geologist for .. (IA annualreportofst1892geol).pdf - Fæ

Annual report of the state geologist for .. (IA annualreportofst1898geol).pdf - Fæ