Map Room

Maps to add (All of these can be found elsewhere online):

1800 Township Boundaries

1804 Township Boundaries

1850 Township Boundaries

1892 Depreciation Lands Map

1941 Butler County

1959 Butler County

Penn Pilot Aerial Project - would like to create some high-resolution tiles and have them in a clickable arrangement

PA County formation and evolution slideshow - 80 or so slides

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