The Geology of New Jersey: A Summary to Accompany the Geologic Map (1910-1912) On the Scale of 1:250,000, Or Approximately 4 Miles to 1 Inch (Paperback)
The Geology of New Jersey: A Summary to Accompany the Geologic Map (1910-1912) On the Scale of 1:250,000, Or Approximately 4 Miles to 1 Inch (Hardcover)