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Table 1 Dates of data available for all states in this study. Each column gives the longest available time span for: FIA plot data available online, longer-term plots found through a literature search, and repeat photography studies found in the literature

From: Trends in western USA fire fuels using historical data and modeling

State Longest date range, FIA plots Longest date range, other plots Longest date range, repeat photography
Arizona 1980–2017 1909–1999 1941–2004
California 1991–2017 1911–2007 1941–2005
Colorado 1979–2017   1900–2000
Idaho 1981–2018   1907–1982
Montana 1988–2018   1871–1982
Nevada 1978–2018   1868–1982
New Mexico 1985–2018 1910–1999 1899–1977
Oregon 1995–2017 1910–2002  
Utah 1988–2017 1933–1989 1901–1976
Washington 1996–2017 1914–2002  
Wyoming 1983–2018   1892–1975