NOTE: The original data set named INTRAILS.SHP was provided to Indiana Geological and Water Survey personnel on March 12, 2002, by Mr. Michael P. Martin, GIS Coordinator, Indiana Department of Natural Resources, Division of Outdoor Recreation. Also, portions of this metadata were originally authored by Michael P. Martin. NOTE: An updated data set named TRAILINV_OPENUD_DNR_OR.SHP was provided to Indiana Geological and Water Survey personnel on June 15, 2006, by Mr. Michael P. Martin, GIS Coordinator, Indiana Department of Natural Resources, Division of Outdoor Recreation. This data shows only trails that are open to the public, or trails that are under development. This metadata is intended to accompany the updated data set. NOTE: An updated data set named TRAILS_DNR_OUTREC_IN_090216.SHP was provided to Indiana Geological and Water Survey personnel on February 16, 2009, by Mr. Michael P. Martin, GIS Coordinator, Indiana Department of Natural Resources, Division of Outdoor Recreation. This data shows only trails that are open to the public, or trails that are under development. This metadata is intended to accompany the updated data set. NOTE: An updated data set named TRAILS_DNR_OR_100503.SHP was provided to Indiana Geological and Water Survey personnel on May 5, 2010, by Mr. Michael P. Martin, GIS Coordinator, Indiana Department of Natural Resources, Division of Outdoor Recreation. This data shows only trails that are open to the public, or trails that are under development. This metadata is intended to accompany the updated data set. NOTE: An updated data set named TRAILS_DNR_OR_110413.SHP was provided to Indiana Geological and Water Survey personnel on April 13, 2011, by Mr. Michael P. Martin, GIS Coordinator, Indiana Department of Natural Resources, Division of Outdoor Recreation. This data shows only trails that are open to the public, or trails that are under development. This metadata is intended to accompany the updated data set. NOTE: An updated data set named TRAILS_DNR_OutRec_IN_120309.SHP was provided to Indiana Geological and Water Survey personnel on March 15, 2012, by Mr. Michael P. Martin, GIS Coordinator, Indiana Department of Natural Resources, Division of Outdoor Recreation. This data shows only trails that are open to the public, or trails that are under development. This metadata is intended to accompany the updated data set. NOTE: An updated data set named TRAILS_DNR_OutRec_IN_121002.SHP was provided to Indiana Geological and Water Survey personnel on October 10, 2012, by Mr. Michael P. Martin, GIS Coordinator, Indiana Department of Natural Resources, Division of Outdoor Recreation. This data shows only trails that are open to the public, or trails that are under development. This metadata is intended to accompany the updated data set. NOTE: An updated data set named TRAILS_DNR_OutRec_IN_130620.SHP was provided to Indiana Geological and Water Survey personnel on July 23, 2013, by Mr. Michael P. Martin, GIS Coordinator, Indiana Department of Natural Resources, Division of Outdoor Recreation. This data shows only trails that are open to the public, or trails that are under development. This metadata is intended to accompany the updated data set. NOTE: An updated data set named TRAILS_DNR_OutRec_IN_140612.SHP was provided to Indiana Geological and Water Survey personnel on June 12, 2014, by Mr. Michael P. Martin, GIS Coordinator, Indiana Department of Natural Resources, Division of Outdoor Recreation. This data shows only trails that are open to the public, or trails that are under development, and planned trails. This metadata is intended to accompany the updated data set. NOTE: An updated data set named TRAILS_DNR_OutRec_IN_150306.SHP was provided to Indiana Geological and Water Survey personnel on March 6, 2015, by Mr. Michael P. Martin, GIS Coordinator, Indiana Department of Natural Resources, Division of Outdoor Recreation. This data shows only trails that are open to the public, or trails that are under development, and planned trails. This metadata is intended to accompany the updated data set. NOTE: An updated data set named TRAILS_DNR_OutRec_IN_151207.SHP was provided to Indiana Geological and Water Survey personnel on December 7, 2015, by Mr. Michael P. Martin, GIS Coordinator, Indiana Department of Natural Resources, Division of Outdoor Recreation. This data shows only trails that are open to the public, or trails that are under development, and planned trails. This metadata is intended to accompany the updated data set. NOTE: An updated data set named TRAILS_DNR_OutRec_IN_160607.SHP was provided to Indiana Geological and Water Survey personnel on June 7, 2016, by Mr. Michael P. Martin, GIS Coordinator, Indiana Department of Natural Resources, Division of Outdoor Recreation. This data shows only trails that are open to the public, or trails that are under development, and planned trails. This metadata is intended to accompany the updated data set. NOTE: An updated data set named TRAILS_DNR_OutRec_IN_170419.SHP was provided to Indiana Geological and Water Survey personnel on April 20, 2017, by Mr. Michael P. Martin, GIS Coordinator, Indiana Department of Natural Resources, Division of Outdoor Recreation. This data shows only trails that are open to the public, or trails that are under development, and planned trails. This metadata is intended to accompany the updated data set. NOTE: An updated data set named TRAILS_DNR_OutRec_IN_171221.SHP was provided to Indiana Geological and Water Survey personnel on February 12, 2018, by Mr. Michael P. Martin, GIS Coordinator, Indiana Department of Natural Resources, Division of Outdoor Recreation. This data shows only trails that are open to the public, or trails that are under development, and planned trails. This metadata is intended to accompany the updated data set. The following is excerpted from the metadata provided by IDNR, Division of Outdoor Recreation, for the source shapefile named TRAILS_DNR_OutRec_IN_171221.SHP: "This dataset contains polylines and attributes of public, off-road recreation and transportation trails in Indiana. It includes trails managed by federal, state, and local governments, as well as non-government organizations."