01258cam a22002651 4500 agr29000299 DLC 20260227110948.0 740521s1928 xx 100 0 eng agr29000299 (OCoLC)891561 DLC DDOT OCoLC DLC enggerfrespa premarc S590 .I6 1927 International Congress of Soil Science (1st : 1927 : Washington, D.C.) Proceedings and papers. Edited under the supervision of the Executive Committee of the American Organizing Committee by R.B. Deemer, assisted by P.R. Dawson and A.R. Merz. Washington, American Organizing Committee of the First International Congress of Soil Sciences, 1928. 5 v. in 3. illus., ports., maps, diagrs. 25 cm. Papers in English, German, French, or Spanish. Includes bibliographies. v. 1 pt. 1. Proceedings. pt. 2. Commission I.--v. 2. Commission II.--v. 3. Commission III and Commission IV.--v. 4. Commission V and Commission VI.--v. 5. Transcontinental excursion and impressions of the congress and of America. Soils Congresses. Deemer, Ralph Barbour, 1885- ed. 9250 9250