TY  - BOOK
ED  - National Geomagnetic Information Center U.S.
TI  - USGS/NGIC geomagnetic observatory data
PY  - 1991///-
CY  - Denver, Colo.
PB  - U.S. Geological Survey, National Geomagnetic Information Center
KW  - Geomagnetism
KW  - Observations
KW  - CD-ROM
KW  - Local
KW  - CD-ROM Fed. Doc
N1  - Title from disk label; Disk Characteristics: CD-ROM
N2  - Contains one-minute values of geomagnetic data from all magnetic observatories of the USGS network. The values are provided as 3-component vector data from a fluxgate magnetometer, as well as scalar data from a proton precession magnetometer
ER  -