Looking closely at it you can see Scott is correct on the date, of course. Another detail from this fascinating image:
I'm not sure I've seen cartography charted quite this way before. Does anyone care to elaborate on their notations?
Scott is too much of a gentleman to hawk his own book on here - but I will (unbidden) do it for him:
http://www.tmgolfdesign.com/book3.html
Undoubtedly, a worth addition to your library.
Chris,
"do" is standard for "Do Over." In this case, they're repeating "The breadth of the Course from" and "yards. So, I think this is more of a plat establishing the boundaries of the course.
The yardage table is adding the length of the holes to each other. So to pick one number: 1183 = 379 + 350 + 152 + 302.
And the verbiage at the bottom spells out distances in different terms. So, Out you have 1 mile (1760 yards) + 6 furlongs ( 6 * 220 yards) + 109 yards = 3189 yards. If you double that to out and back, it's 3 miles, 4 furlongs, 218 yards for 6,378 total yards.
I can't say that I've ever seen it presented that way before either, but I checked the math, and it works out, so I'm confident that's the correct interpretation.