An illustrated guide to fossil collecting
By: Richard Casanova, Ronald P. Ratkevich.
Contributors: Ratkevich, Ronald Paul, 1948-
Edition: 3rd rev. ed.
Publisher: Naturegraph Publishers
Published: 1981
Place of publication: Happy Camp, Calif
Language: eng
Number of pages: 240
Subjects: Fossils -- Collection and preservation.
Notes: Bibliography: p. 231-234.
Includes indexes.