G
George N. Knapp
3 works on record
Works

The foundry sands of Minnesota
1923
Clays and Clay Industry of New Jersey
Clays and Clay Industry of New Jersey
Report on the Cretaceous Paleontology of New Jersey; Based upon the Stratigraphic Studies of George N. Knapp; Volume 2
Report on the Cretaceous Paleontology of New Jersey; Based upon the Stratigraphic Studies of George N. Knapp; Volume 2