Geological Survey research 1970, Chapter D

This collection of 45 short papers is the third published chapter of "Geological Survey Research 1970." The papers report on scientific and economic results of current work by members of the Geologic, Water Resources, and Topographic Divisions of the U.S. Geological Survey.

Chapter A, to be published later in the year, will present a summary of significant results of work done in fiscal year 1970, together with lists of investigations in progress, reports published, cooperating agencies, and Geological Survey offices.

"Geological Survey Research 1970" is the eleventh volume of the annual series Geological Survey Research. The ten volumes already published are listed below, with their series designations.