B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
Antiquities of Central and South-Eastern Missouri (Antiquités du centre et du sud-est du Missouri). Report on explorations made in 1906-07 under the auspices of the archaeological Institute of America. Smithsonian Institution, Bureau of American ethnology, Bulletin 37, 1910