… (1/22/1820) Maps Americans of African Heritage—1990’s (Map) Americans of Irish Heritage—1900’s (Map) Minutes and Proceedings Chapter I (Excerpt from …
… sites defined by place names from, say, 1970s , to today’s map. To avoid the pitfalls, I always compared side by side … old maps with three sources: today’s paper maps, Baidu Map and Google Earth. I actively double-checked with site …