by George Halcott Chadwick
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History and value of the name "Catskill"...
The Paleozoic rocks of the Canton quadra...
The Williams collection of shells
Geology of the Catskill and Kaaterskill ...
The "old times" corner
Wonderful Life the Burgess
Quaternary of South America and Antarcti...
The old red sandstone
La terre avant de déluge
Fauna of the Vale and Choza
An introduction to historical geology