Natural sandstone rock asphalt
Subtitle: A report of an investigation conducted by the Engineering Experiment Station, Purdue University, in co-operation with the State Highway Commission of Indiana
By: By O. R. Tyler. Assisted by W. H. Goetz and C. Slesser
Series: Engineering Experiment Station. Highway research bulletin -- no. 6; Research series -- no. 78; Engineering bulletin, Purdue University -- Vol. 25, no. 1. January, 1941
Publisher: Engineering Experiment Station, Purdue University
Published: 1941
Place of publication: Lafayette, Ind
Language: eng
Number of pages: 76
Subjects: Asphalt rock; Sandstone
Notes: "This report covers the exploatory investigations performed by the Joint Highway Research Project."--Summary.

"Bibliography and reference list of literature pertaining to rock asphalt": p. 56-58.
Table of contents: title: Summer Vacation; title: At the Ocean; title: Time for Lunch!; title: Swimming Is Fun!; title: Playing in the Sand; title: Time to Go; title: Glossary.