Cretaceous ammonites from the lower part of the Matanuska formation, southern Alaska,
by David L. Jones.
- Washington, U.S. Govt. Print. Off., 1967.
- iv, 49 p. illus., 2 maps (1 fold. in pocket) 29 cm.
- Geological Survey professional paper 547 .
- Geological Survey professional paper ; 547. .