Determinations of gravity at stations in Pennsylvania 1879-1880.
Subtitle: Appendix no. 19--Report for 1883.
Contributors: U.S. Coast and Geodetic Survey.
Published: 1884
Place of publication: Washington
Language: eng
Number of pages: 58
Subjects: Gravity -- Pennsylvania.
Notes: At head of title: United States Coast and geodetic survey. J.E. Hilgard, superintendent. Methods and results.
Caption title: Determination of gravity at Allegheny, Ebensburgh, and York, Pa., in 1879 and 1880. By Charles S. Peirce, assistant.