An explanation of the schedules recently reported by a subcommittee of the committee on sedimentation of the National Research Council, and presentation to each of those present of mimeographed copies of the introduction to these schedules, and of printed copies of the schedules themselves. These materials were furnished the writer by Dr. M. I. Goldman, Chairman of the committee.
Proceedings of the Iowa Academy of Science
©1922 Iowa Academy of Science, Inc.
Trowbridge, A. C.
"Schedules for the Field Descriptions of Sedimentary Rocks,"
Proceedings of the Iowa Academy of Science, 29(1), 127-127.
Available at: https://scholarworks.uni.edu/pias/vol29/iss1/21