Nature and origin of deposits of phosphate of lime
By: by R.A. F. Penrose, Jr., with an introduction by N.S. Shaler
Series: U.S. Geological survey. Bulletin -- no. 46; Geological Survey bulletin -- 46
Publisher: Govt. Print. Off.
Published: 1888
Place of publication: Washington
Language: eng
Number of pages: 143
Subjects: Phosphates; Lime
Notes: Bibliography : p. 129-140