TY  - BOOK
AU  - Briggs, Lyman J.
AU  - Pearce, J.R.; Martin, F.O.
TI  - Centrifugal Method of Mechanical soil Analysis
U1  - 631.47 21st ed.
PY  - 1904///
CY  - Washington
PB  - U.S. Department of Agriculture
KW  - Agriculture, Soil Servey, Soil Mechanical Analysis
N1  - Bureau of Soils-Bulletin no. 24
ER  -