Guidebook...annual field conference. edited by Frank P. Sonnenberg. - [Billings, Mont. : The Society, 1952-1966]. - 178 p. : ill., charts, photos., ports., maps.

Annual. Third annual field conference, Sept. 4, 5, 6, 7, 1952

Includes bibliographical references.


Geology--Montana--Congresses.

QE1 / B56