Sven,
That map isn't perfect, especially in scale, but it's closer to the original plan of the course than Higgins' description, based on what I had to go on for the club's centennial book. While there were occasional updates in the club newsletter, the club's minutes from the early years were lost in a fire, so specific dates of changes can't all be pinned down. There may have been changes during construction. The plan was to open the front nine in the fall of 1908, but there was a delay due to poor grow-in on some holes.
Perhaps those were the ones changed to what we find in a 1915 map, which I can send you for posting. (It also shows a proposed and rejected third nine on land not them available.) Further pre-Ross changes aligned the front nine to something near what we have today (after the 87th Street widening), including the moving of the eighth tee and ninth green to bring the pond (now gone) into play on the ninth.
Tim