Abstracts

Abstract

W. W. Davis— A Systematic Theory of Silicification

R. L. Powell—Some Physical Factors Concerning Land Use on
the Mitchell Plain of South-Central Indiana

N. G. Ludwig and T. R. West—Quantitative Measurement of Rock
Textures

W. D. Brooks—Decision-making and the Spatial Campus

C. W. Miller, T. R. Harbron and T. McLaughlin—Temperature
Percentiles for Anderson, Indiana

A. H. Meyer—Resolving Parallel Problems in Geography Classifi-cation under the Dewey Decimal and Library of Congress
Systems