It looks like you are still in progress, but it's a nice start. In addition to the main line from Boulder to Sunset, the northern end extended past Ward to Newmarket, and the southern end extended to Eldora. Here are a few maps I've used in a clinic that might be of help:
Here is an overview of the whole line:
The start of the line in Boulder:
This is the approximate route through Sunset, including the line coming in from Boulder and the wye. I have some more information on this that I haven't incorporated yet, but the changes to the basic track alignment are minor. The solid line is the C&N/DB&W, the dashed line is the GSL&P.