Simple directions for the determination of the common minerals and rocks
Subtitle: a laboratory course in general geology
By: by William Herbert Hobbs ... including a method of preparing topographical maps with use of special apparatus and exercises in the preparation and interpretation of geological maps upon the basis of specially designed laboratory tables and attached models
Publisher: The Macmillan company
Published: 1914
Place of publication: New York
Language: eng
Number of pages: 31
Subjects: Geology; Topographic maps
Notes: "The reprint of a portion of the matter appended to 'Earth features and their meaning'."