Earth First! Journal article
Earth First! Journal published this article about the release of a movie on their demonstration at Glen Canyon Dam in 1981. Earth First! paid a film crew to document the protest and produce the film The Cracking of Glen Canyon Dam.
| Source: Earth First! Journal Volume 2, no. 4. Archive. Republished by the Environment & Society Portal, Multimedia Library. 20 March 1982. https://www.environmentandsociety.org/sites/default/files/key_docs/ef_2_4_sm_0.pdf