The Hebgen Lake, Montana, earthquake of August 17, 1959.
Cooperating agencies : Geological Survey [and others]
- Washington : U.S. Govt. Print. Off., 1964.
- x, 242 p. : ill., maps (1 col.) ; 29 cm.
Part of illustrative matter folded in pocket. Consists of sections A-T, each with separate t. p.