How to link to an HISTORICAL County Lines map for any Year and Geographic Area of Interest — overlaid on Google Maps

NOTE:  This article relates to HISTORICAL County Lines.  Here are the instructions for linking to PRESENT-day County Lines. If you have a website or blog and want to create a link to an HISTORICAL county lines map for ANY YEAR and ANY US STATE,  this article is for you! Using the instructions below, you can create a link to Historical U.S. Counties on Google Maps for any historical year already zoomed into a particular State, and optionally display the labels showing the county names as of that historical year. Here’s how it works:    To create a map zoomed into a state for a … Read more