of

PETROLEUM ASPHALT

and

NATURAL GAS

Methods of Analysis, Specifications, Properties, Refining
Processes, Statistics, Tables and Bibliography

by

ROY CROSS

Member of American Chemical Society, American Society for Testing
Materials, American Association for Advancement of Science,
American Society for Municipal Improvements,
Kansas City Engineers Club

Published as

BULLETIN NO. 16

by

KANSAS CITY TESTING LABORATORY
KANSAS CITY, MO.