1999. Pennsylvania Department of Environmental Protection. This coverage represents the point locations and data for 1,106 groundwater quality monitoring points sampled under the PA DEP Fixed Station Networ...
2012. Indiana Department of Natural Resources, Division of Fish and Wildlife. LAKE_BATHYMETRY_IDNR_IN.SHP provides bathymetric contours for the following 85 lakes in Indiana, with depths calculated from the average shoreline ...
2019. IndianaMap Open Data (ArcGIS Online). Lake Bathymetry, 20190417 (IDNR) - Shows bathymetric contours for 164 lakes in Indiana, depicting the depths of the water from the shoreline of eac...