The Royal River winds through the heart of Yarmouth, a landscape defined by its transition from wooded uplands to the tidal reach of Casco Bay. This coastal Maine community is characterized by a mix of historic settlement patterns and modern suburban growth, featuring numerous small hamlets such as Crockett Corner, Sodom, and Cumberland Foreside. Industrial history is evident in the water management structures along the river, including the East Elm Street Dam and Bridge Street Dam.
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1891 · Portland
USGS Topo · 1:62,500
1892 · Freeport
USGS Topo · 1:62,500
1893 · Portland
USGS Topo · 1:62,500
1893 · Casco Bay
USGS Topo · 1:62,500
1894 · Gray
USGS Topo · 1:62,500
1898 · Gray
USGS Topo · 1:62,500
1914 · Portland
USGS Topo · 1:48,000
1914 · Casco Bay
USGS Topo · 1:48,000
1916 · Portland
USGS Topo · 1:62,500
1916 · Casco Bay
USGS Topo · 1:62,500