Chapter B GEOlOGICAl SURVEY PROFESSIONAl PAPER 525-B GEOLOGICAL SURVEY RESEARCH 1965 Chapter B GEOLOGICAL...GEOLOGICAL SURVEY PROFESSIONAL PAPER 525-B Scientific notes and summaries of investigations prepared by...Geologic, Water Resources, and Publications Divisions in geology, hydrology, and related fields UNITED STATES...ART L. UDALL, Secretary GEOLOGICAL SURVEY Thomas B. Nolan, Director For sale by the Superintendent of...scientific and economic results of current work by members of the Geologic, Publications, and Water Resources |