Click on the highlighted townships on the map below to jump to PDF versions
of the Hydrographic Survey Sheets for Area 97.
These PDFs show digitized coverages based on HSS sheets surveyed in 1960 which
were georectified and placed atop USGS
DOQ imagery.
Viewing the .PDFs requires that the Adobe
Acrobat Reader is installed on your computer. The
hydrographic
survey .PDF files average one megabyte each, please allow time for them to fully
download.