For 67 years I've visited Yosemite at least once a year. I even worked two years for YP&CCo. in the early 70's. Now that I'm retired I am trying to learn as much of the history of Yosemite as I can. I've read several books and Googled many sites. Some questions I still have not found answers and thought this forum may be able to help. Three that come to mind are-------
1. What's the story of the rail fence on north side drive at Devil's Elbow?
2. Where was the exact location of Lower Iron Bridge?
3. Where did the Mariposa Battalion make their first camp? On the west side of the moraine in Bridalveil Meadow or the east side near Bridalveil creek?