A couple of years ago there was some real good plate maps on the Internet. I can’t locate them again. Probably just forgot the key words.
The best I know are the Hopi elders map on StanDeyo and the Navy map fm John Moore.
There’s Scallion’s and a list of other occultic derived maps . . . they all have water up the Mississippi Valley more or less to the Great Lakes—some not quite. They all had California severely narrowed at best. Some had Florida gone and some mostly so.
I never felt those maps were very accurate in terms of their details.
Thanks YellowRose. IIRC the Rosicrucians are essentially some variation of Masonic etc.