Maps and Descriptions of Routes of Exploration in Alaska in 1898 - With General Information Conce...

The Yosemite Guide-Book - A Description of the Yosemite Valley and the Adjacent Region of the Sie...

Explanation of sheet 9. Kirkcudbright and Dumfriesshire is an unchanged, high-quality reprint of ...

Preliminary Field Report of the United States Geological Survey - Of Colorado and New Mexico is a...

Cretaceous Fauna of Southern India - Volume 2 is an unchanged, high-quality reprint of the origin...

Explanation of Sheet 31 - Stirling (southern part), Lanarkshire (northern part), Linlithgowshire ...

A revision of the genera and species of Canadian Palæozoic corals - Vol. 1 is an unchanged, high-...

Report of the Geological Survey of Ohio - Volume 3 is an unchanged, high-quality reprint of the o...

Report on the Cahaba Coal Field is an unchanged, high-quality reprint of the original editionof...

Reprint of the original, first published in 1865. Geological Survey of Canada Sir W. E. Logan, F....

Full color publication.

Full color publication.