The Moving Earth - A Story Of Mined Land Subsidence Controls

Shows how modern technology is used against ground subsidence, an environmental side-effect of underground mining. Tells of past backfill operations that have been planned and supervised by engineers of the Bureau of Mines.

Related films

Sources

  1. A-V Online (National Information Center for Educational Media). CD-ROM database of educational and documentary media, compiled and maintained by the National Information Center for Educational Media (NICEM). — title, creator, length, format, sound, description
  2. 16mm Filmography (legacy record) — catalog record