TY  - BOOK
AU  - Ruffin,Edmund
TI  - An essay on calcareous manures
AV  - S643 .R92 1832
PY  - 1832///
CY  - Petersburg, Va.
PB  - J. W. Campbell
KW  - Marl
KW  - Fertilizers
N1  - Also available in digital form on the Internet Archive Web site
UR  - http://hdl.loc.gov/loc.gdc/scd0001.00027623165
ER  -