Ed Ruscha's studio at 1024 3/4 N. Western Avenue in Hollywood, California, 1970. Photo by Larry Bell. Image courtesy of Billy Al Bengston

Announcement for Judy Chicago exhibition at California State University, Fullerton, October 23– November 25, 1970. The Getty Research Institute, Gift of Rolf G. Nelson, 2010.M.38.5. Image courtesy of Jerry McMillan and Craig Krull Gallery, Santa Monica. © Jerry McMillan.

Announcement for Field Piece, a Barbara T. Smith exhibition at Cirrus Gallery in Los Angeles, 1971. Computer daisy-wheel print. © Barbara T. Smith. The Getty Research Institute, Gift of Hal Glicksman, 2009.M.5.4

Announcement for ASCO and Los Four exhibition at Point Gallery in Santa Monica, California, 1975. Offset lithograph. The Getty Research Institute, Gift of George Herms, 2009.M.20.4. Courtesy of ASCO and Los Four

Announcement for the inaugural exhibition Recent Work by Masami Teraoka at Space Gallery in Los Angeles, 1975–76. © Masami Teraoka. The Getty Research Institute, Gift of George Herms, 2009.M.20.5

Announcement for Doug Wheeler exhibition at Ace Gallery in Los Angeles , 1970. Printed plastic. © Doug Wheeler. The Getty Research Institute, Gift of George Herms, 2009.M.20.6

Announcement for Tom Wudl exhibition at Mizuno Gallery in Los Angeles, 1974. © Tom Wudl. The Getty Research Institute, Gift of Riko Mizuno, 2010.M.84.2

Announcement for the exhibition Grup Shrow at Mizuno Gallery in Los Angeles, 1972. © Riko Mizuno. The Getty Research Institute, Gift of Riko Mizuno, 2010.M.84.3

In Mourning and In Rage media performance at Los Angeles City Hall, December 13, 1977, Suzanne Lacy and Leslie Labowitz-Starus. Gelatin silver prints documenting the event by Susan Mogul. 7 15/16 x 10 3/16 in. The Getty Research Institute, Lawrence Alloway Papers, 2003.M.46. Photo courtesy of Susan Mogul

Frederick Eversley polishing one of his sculptures, 1970. Image courtesy of and © Frederick Eversley

Andrew Perchuk, Getty Research Institute, with John Mason inspecting Mason’s sculpture Orange Cross, 2010. © J. Paul Getty Trust

Larry Bell’s studio in 1970. Photo by Larry Bell. Image courtesy of Billy Al Bengston

Los Angeles, 1971, Henry Wessel Jr. Gelatin silver on Dupont Veragam paper print. 7 15/16 x 11 7/8 in. Purchased with funds provided by the Photographs Council of the J. Paul Getty Museum. © Henry Wessel

Los Angeles Downtown #3, 1971, Anthony Hernandez. Gelatin silver print. 7 3/4 x 11 13/16 in. Purchased in part with finds provided by the Photographs Council of the J. Paul Getty Museum. © Anthony Hernandez

Los Angeles (US 257/10a), negative, 1976; print, 1980, Grant Mudford. Gelatin silver print. 19 1/4 x 13 1/8 in. © Grant Mudford