Two Yosemites

Illustrates the need for long-range planning of conservation projects by telling the story of Yosemite's twin, Hetch Hetchy Valley which was dammed.

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, year, creator, length, format, sound, description
  2. 16mm Filmography (legacy record) — catalog record