This historical map portrays the area of Green Rock in 2021, primarily covering Colona as well as portions of Carbon Cliff, Cleveland, and Briar Bluff. Featuring a scale of 1:24,000, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the Green Rock region at the time. Published in 2021, it is the sole known edition of this map.
This is the sole edition of this map. No revisions or reprints were ever made.
1892 · Leclaire
USGS Topo · 1:62,500
1893 · Leclaire
USGS Topo · 1:62,500
1899 · Clinton
USGS Topo · 1:125,000
1934 · Geneseo
USGS Topo · 1:62,500
1937 · Orion
USGS Topo · 1:62,500
1949 · Coal Valley
USGS Topo · 1:24,000
1949 · Silvis
USGS Topo · 1:24,000
1949 · Port Byron
USGS Topo · 1:24,000
1950 · Port Byron
USGS Topo · 1:24,000
1952 · Erie
USGS Topo · 1:62,500