The ephemerides
Subtitle: application for computers and instruments
By:  [Ray Harpin]
Contributors:  United States.   Bureau of Land Management
Publisher: Bureau of Land Management
Published: 1989
Place of publication: [Denver, Colo.]
Language: eng
Subjects: Surveying; Public lands; Data processing; Spherical astronomy
Notes: "October 30, 1989"--Letter of transmittal.

Enclosure to Information bulletin no. SC-90-021.

Photocopy of typescript.