Statistics for occurrence #1 of “St. Mary rivers” in entry georgia of Harper's Encyclopedia of United States History:

...heir charter to the crown. Georgia became a royal province, with privileges similar to the others. A General Assembly was established in 1755, and in 1763 all the lands between the Savannah and St. Mary rivers were, by royal proclamation, annexed to Georgia. The colony prospered from the time of the transfer to the crown. The Georgians sympathized with their Northern brethren in their political grievan...
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