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WASHINGTON, D.C.
Meeting 586
Cosmos Club

Wednesday, April 10, 1940

Joseph Thomas Pardee, President          Roland Wilbur Brown, Meeting Secretary

George Rogers Mansfield—USGS—The role of fluorine in phosphate deposition.

John Gerard Broughton—Syracuse University—Structural comparison of pre-Cambrian and Paleozoic rocks in northwestern New Jersey.

Rufus Harvey Sargent—USGS—Problems in the production of topographic maps.

Attendance: 66
Minutes not available.
Published account of meeting appears in: J. Wash. Acad. Sci. 31, 168-172

View all talks from 1940 Go to Meeting number 585 Go to Meeting number 587