The documentary that won the Grand Jury Prize at the 1990 Sundance Film Festival has been added to the Library of Congress' National Film Registry.

"Water and Power," Pat O'Neill's experimental look at Los Angeles - juxtaposing urban scenes of the city's downtown with images of the rural Owens Valley, where the city gets its water supply - was one of 25 films added to the registry on Tuesday.

It's not the first Sundance movie to make it to the National Film Registry. Jim Jarmusch's 1984 debut "Stranger Than Paradise," Ross McElwee's self-referential 1986 documentary "Sherman's March," Steven Soderbergh's 1989 classic "sex, lies and videotape," Julie Dash's 1991 African-American drama "Daughters of the Dust," and the 1994 basketball documentary "Hoop Dreams" were already on the list.