Rock phosphates and other mineral fertilisers : their origin, value, and sources of supply /
Chewings, Charles.
Rock phosphates and other mineral fertilisers : their origin, value, and sources of supply / by Charles Chewings ... ; with map of the Clinton deposit. - Adelaide, South Australia : C.E. Bristow, government printer, 1903. - 48 p. : fold., map ; 22 cm.
gs 05001234
Phosphates.
S647 / .C5
Rock phosphates and other mineral fertilisers : their origin, value, and sources of supply / by Charles Chewings ... ; with map of the Clinton deposit. - Adelaide, South Australia : C.E. Bristow, government printer, 1903. - 48 p. : fold., map ; 22 cm.
gs 05001234
Phosphates.
S647 / .C5