R. C Coffin

Sort by

1) Preliminary report on the underground waters of a part of southeastern Colorado

Author

Series

Bulletin volume 26

Pub. Date

1921.

2) Some anticlines of western Colorado

Author

Series

Bulletin volume 24

Pub. Date

1924.

3) Radium, uranium, and vanadium deposits of southwestern Colorado

Author

Series

Bulletin volume 16

Pub. Date

1921.

4) Preliminary statement from Bulletin 16 on the carnotite area of southwestern Colorado, uranium, radium and vanadium

Author

Series

Bulletin volume 16

Pub. Date

1920.