TY - RPRT TI - Ilmenite beach placer, Pulmoddai, Ceylon, and ilmenite resources of the Pleistocene and Holocene formation of Ceylon AU - William C. Overstreet PY - 1972 DO - 10.3133/ofr72277 UR - https://pubs.usgs.gov/publication/ofr72277 ID - ofr72277 ER -