Field trip resumes
Subtitle: Mexico, D.F., 1956. English translations.
By: Translated and published by the American Geological Institute cooperating with the Comité ejecutivo XX Congreso geologico internacional.
Contributors: American Geological Institute.
Publisher: American Geological Institute
Published: 1956
Place of publication: Washington
Language: eng
Number of pages: 39
Subjects: Geology -- Congresses; Geology -- Mexico
Notes: Cover title.