HORTA (mining) (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "HORTA (mining)" in English language version.

refsWebsite
Global rank English rank
low place
low place
1st place
1st place
low place
low place

canadianminingjournal.com

  • "HORTA unit for determining the geographic position underground". Canadian Mining Journal. April 2000. Retrieved 2019-03-09. HORTA — Honeywell Ore Retrieval and Tunneling Aid — is a box containing a gyro and an accelerometer, originally developed for the U.S. military, that solves the problem of positioning and location underground.

frequency.com

web.archive.org