Question: What type of media does Tar Creek and Before Stonewall have in common?

full_context: Document 1: A Narmada Diary: A Narmada Diary is a 1995 documentary on the struggle of those adversely impacted by the Sardar Sarovar Dam project. It was directed by Anand Patwardhan and Simantini Dhuru and released in the year 1995. A record from about 1990-1993, of the measures adopted and hardship faced by the Narmada Bachao Andolan movement and the people inhabiting the place affected was presented. The documentary won the "Filmfare Award for Best Documentary, 1996" and the "Grand Prize" at Earth-Vision Film Festival, Tokyo, 1996. In spite of winning the central government's national awards, the movie was not allowed to be shown on National TV
Document 2: Sweet Crude: Sweet Crude is a documentary film by Sandy Cioffi about Nigeria's oil-rich Niger Delta. The film premiered in April 2009 at the Full Frame Documentary Film Festival and has since screened at 30 film festivals around the world and has won numerous awards.
Document 3: Before Stonewall: Before Stonewall: The Making of a Gay and Lesbian Community is a 1984 American documentary film about the LGBT community prior to the 1969 Stonewall riots. It was narrated by author Rita Mae Brown, directed by Greta Schiller, co-directed by Robert Rosenberg, and co-produced by John Scagliotti and Rosenberg, and Schiller. It premiered at the 1984 Toronto Festival of Festivals and was released in the United States on June 27, 1985. In 1999, producer Scagliotti directed a companion piece, "After Stonewall". To celebrate the 30th anniversary of the Teddy Awards, the film has been selected to be shown at the 66th Berlin International Film Festival in February 2016.
Document 4: Best Worst Movie: Best Worst Movie is a 2009 American documentary film about the making of the infamously received 1990 horror film "Troll 2" and its subsequent resurgence as a cult film. Directed by Michael Stephenson, the child star of "Troll 2", the film was distributed by Magicstone Productions and New Video Group. It was also included in the first 5,000 copies of Scream Factory's Blu-ray double feature of "Troll" and "Troll 2", released on November 17, 2015.
Document 5: If God Is Willing and da Creek Don't Rise (film): If God Is Willing and da Creek Don't Rise is a 2010 documentary film directed by Spike Lee, as a follow-up to his 2006 HBO documentary film, "". The film looks into the proceeding years since Hurricane Katrina struck the New Orleans and Gulf Coast region, and also focuses on the 2010 BP oil spill in the Gulf of Mexico and its effect on the men and women who work along the shores of the gulf. Many of the participants in "Levees" were also featured in this documentary.
Document 6: John Scagliotti: John Scagliotti is an American film director and producer, and radio broadcaster. He has received honors for his work on documentaries about LGBT issues including "Before Stonewall" and "After Stonewall".
Document 7: Happy Birthday, Marsha!: Happy Birthday, Marsha! is a fictional short film that imagines transgender rights pioneers Marsha P. Johnson and Sylvia Rivera in the hours leading to the 1969 Stonewall riots in New York City. The film stars Mya Taylor as Marsha P. Johnson. It was written, directed, and produced by Reina Gossett and Sasha Wortzel. The filmmakers raised over $25,000 on Kickstarter to fund the film. The film has drawn positive comparisons to the critically panned 2015 film "Stonewall" and is a sponsored project of Women Make Movies. "Happy Birthday, Marsha!" is currently in post-production, scheduled to be released in 2016.
Document 8: Tar Creek (film): Tar Creek is a 2009 feature-length environmental documentary about the Tar Creek Superfund Site, which at one time was considered the worst environmental disaster in the United States. It was directed Matt Myers, who also wrote the film's script and served as its narrator.
Document 9: The Celluloid Closet: The Celluloid Closet is a 1995 American documentary film directed and written by Rob Epstein and Jeffrey Friedman. The film is based on Vito Russo's book of the same name first published in 1981 and on lecture and film clip presentations he gave in 1972–1982. Russo had researched the history of how motion pictures, especially Hollywood films, had portrayed gay, lesbian, bisexual and transgender characters.
Document 10: Tower (2016 film): Tower is a 2016 animated documentary film directed by Keith Maitland about the 1966 shootings at the University of Texas at Austin. The film is 82 minutes long, reduced from 92 minutes after the SXSW screening and premiered at the 2016 South by Southwest.
Document 11: Janet Baus: Janet Baus is a documentary film and television director, producer and editor. In 1993, she co-directed "Lesbian Avengers Eat Fire Too" with Su Friedrich, about activist group the Lesbian Avengers. In 2003 she produced John Scagliotti's film "" about gay and lesbian people in non-Western countries. She had worked with Scagliotti before, having a co-producer credit on his 1999 film "After Stonewall". Her 2006 film "Cruel and Unusual", co-directed with Dan Hunt and Reid Williams, was a documentary about pre-operative male-female transsexual women in men's prisons. It won the Michael J. Berg Documentary Award at the 2006 Frameline Film Festival and the Freedom Award at L.A. Outfest. Baus has also won the Cine Golden Eagle, the Vito Russo Award, the Chicago International Television Award and the Gold Aurora Award.
Document 12: The Times of Harvey Milk: The Times of Harvey Milk is a 1984 American documentary film that premiered at the Telluride Film Festival, the New York Film Festival, and then on November 1, 1984 at the Castro Theatre in San Francisco. The film was directed by Rob Epstein, produced by Richard Schmiechen, and narrated by Harvey Fierstein, with an original score by Mark Isham.
Document 13: Tar Creek Superfund site: Tar Creek Superfund site is a United States Superfund site, declared 1983, located in the cities of Picher and Cardin, Northeastern Oklahoma. From 1900 to the 1960’s lead mining  and zinc mining companies left open Chat piles behind until the present day. The dust has blown around the city containing these metals, cadmium, and others. The metals have also seeped into groundwater, ponds, and lakes, many of which still are used by children for swimming. Elevated lead, zinc and manganese levels in Picher children have led to learning disabilities and other problems. The EPA declared Picher to be one of the most toxic areas in the United States.
Document 14: Gasland: Gasland is a 2010 American documentary written and directed by Josh Fox. Nominated for an Academy Award for Best Documentary in 2011, the film focuses on communities in the United States affected by natural gas drilling and, specifically, a method of horizontal drilling into shale formations known as hydraulic fracturing. The film was a key mobilizer for the anti-fracking movement, and "brought the term 'hydraulic fracturing' into the nation's living rooms" according to "The New York Times". The film was nominated for the Academy Award for Best Documentary Feature.
Document 15: Gay Sex in the 70s: Gay Sex in the 70s is a 2005 American documentary film about gay sexual culture in New York City in the 1970s. The film was directed by Joseph Lovett and encompasses the twelve years of sexual freedom bookended by the Stonewall riots of 1969 and the recognition of AIDS in 1981, and features interviews with Larry Kramer, Tom Bianchi, Barton Lidice Beneš, Rodger McFarlane, and many others.
ground_truth: documentary