My wife found this 1954 chart at a vintage store in Worcester, MA and had it framed for me for Christmas.
Interesting to see that the markers haven't changed much, but maybe 30 fewer flashing lights in 1954.
Also, speed limits vs. no wake areas. 12 MPH south of the bandstand...
https://photos.app.goo.gl/TPUB6Uv9r61zg54S7