TY  - BOOK
AU  - Ruffin,Edmund
TI  - An essay on calcareous manures
AV  - S643 .R92 1852
PY  - 1852///
CY  - Richmond, Va.
PB  - J.W. Randolph
KW  - Marl
KW  - Fertilizers
N1  - Also available in digital form on the Internet Archive Web site
UR  - http://hdl.loc.gov/loc.gdc/scd0001.00027623256
ER  -