Hi was on a chat this morning with a Disney cast member and I had them send me the link to the latest Wilderness Lodge map. It shows Boulder Ridge, Copper Creek, and the cabins, along with room number ranges for all. Thought I'd share it.
https://enterpriseportal.disney.com/wdwimages/onesource/WildernessLodgeMap.pdf
https://enterpriseportal.disney.com/wdwimages/onesource/WildernessLodgeMap.pdf