The binary data are available via anonymous FTP from the National Strong Ground Motion FTP-server:
https://ca.water.usgs.gov/nsmp/ in directory GEOS/IDO.
For further information on these recordings refer to
Characteristics of the aftershock sequence of the Borah Peak, Idaho, earthquake
determined from digital recordings of the events;
by John Boatwright; pages 311-344 of
USGS Open-File Report 85-290:
Proceedings of Workshop XXVIII
On the Borah Peak, Idaho, Earthquake
Volume A
Convened under Auspices of
National Earthquake Prediction and Hazard Programs
3 - 6 October 1984;
edited by Ross S. Stein and Robert C. Bucknam.
The GEOS Home Page is at /GEOS/geos.html
The URL of this page is /GEOS/IDO/idaho.html
e-mail: glassmoyer@usgs.gov
or address:
Gary Glassmoyer
345 Middlefield Road M/S 977
Menlo Park, California 94025