Delta and Cardiff straddle the state line in this survey of the Pennsylvania-Maryland borderlands, where slate quarrying and small-scale agriculture defined the landscape for generations. The concentration of residential clusters like West Bangor, Cambria, and Whiteford near the northern boundary reflects the historical importance of the local geology, with street names like Quarry Rd and Slateville Rd marking the site's industrial heritage.
145 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1900 · Havre De Grace
USGS Topo · 1:62,500
1901 · Belair
USGS Topo · 1:62,500
1912 · Quarryville
USGS Topo · 1:62,500
1912 · Mc Calls Ferry
USGS Topo · 1:62,500
1942 · Havre De Grace
USGS Topo · 1:62,500
1942 · Bel Air
USGS Topo · 1:62,500
1943 · Quarryville
USGS Topo · 1:62,500
1943 · Mc Calls Ferry
USGS Topo · 1:62,500
1945 · Bel Air
USGS Topo · 1:62,500
1948 · Baltimore
USGS Topo · 1:250,000