IGRFGRID
Subtitle: a program for creation of total magentic field (International Geomagnetic Reference Field) grid representing the Earth's main magnetic field
By: by Ronald E. Sweeney.
Contributors: Geological Survey (U.S.)
Series: Open-file report -- 90-45-A.; U.S. Geological Survey open-file report -- 90-45-A.
Publisher: U.S. Dept. of the Interior, Geological Survey; Books and Open-File Reports, distributor]
Published: 1990
Place of publication: [Reston, Va.]; [Denver, Colo
Language: eng
Format: Microform
Subjects: Geomagnetism -- Computer programs.; Geomagnetism -- Software.
Other titles: Program for creation of total magnetic field (International Geomagentic Reference Field) grid.
Notes: Distributed to depository libraries in microfiche.

"90-45-A is Documentation (paper copy), 90-45-B Source code (diskette).

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1992] 1 microfiche.