I. Cram

发表

Crustal Structure of Texas Coastal Plain Region

I. Cram, 1962 .

A crustal structure refraction survey in south Texas

I. Cram, 1961 .

Future Petroleum Provinces of the United States--Their Geology and Potential: Summary

I. Cram, 1971 .

Future Petroleum Provinces of the United States—Their Geology and Potential, Volumes 1 & 2

I. Cram, 1971 .

The Oldest is the Newest

I. Cram, 1966 .

The Rest Island Granite of Minnesota and Ontario

I. Cram, 1932, The Journal of Geology.

Guidebook: 7th Annual Field Conference

H. A. Buehler, H. S. McQueen, George C. Branner, 1933 .

Resources and Resourcefulness

I. Cram, 1945 .

HOW OIL IS FOUND

I. Cram, 1964 .