HYDROGRAPHY POINTS --
Gages, Lock Chambers, Springs, Waterfalls, and Wells, 2000 (1:100,000)
Shows gages, wells, springs, waterfalls, and lock chambers in Indiana.
This layer is derived from the National Hydrography Dataset (NHD). The NHD interconnects
and uniquely identifies the stream segments or reaches that comprise the nation's
surface-water drainage system. It is based initially on the content of the U.S.
Geological Survey 1:100,000-scale Digital Line Graph (DLG) hydrography data,
integrated with reach-related information from the U.S. Environmental Protection
Agency Reach File Version 3.0 (RF3).
FGDC metadata: HYDROGRAPHY_POINT_NHD_IN