Seventh Congress of the International Society of Soil Science [pre-congress excursion] tours.
By: Printed for use during the seventh congress by the U.S. Dept. of Agriculture.
Contributors: International Society of Soil Science.
Published: 1960
Place of publication: Washington
Language: eng
Subjects: Soils.; Soils -- Congresses.
Table of contents: value: Tour 1. New York City to Madison, Wis.; value: Tour 2. Madison, Wis. to Washington D.C.; value: Tour 3. Madison, Wis. to Berkeley, Calif.