I have an iPad Air 2 with iOS 9 and there are two problems, one new and one old. The new problem (last few weeks) is that the checks and X's in the boxes for Campground Overview/Hookups etc. have disappeared. This leaves only red, green, and gray colored boxes. The problem for people with red/green color blindness is obvious. The old problem has been around ever since the website redesign. The View in Google Maps function is inconsistent. Sometimes zoom tools are shown, and sometimes not, depending on the campground. Without the tools, I can try to zoom in by spreading two fingers, but this can result in an error forcing the page to reload.
I just looked at a number of park amenities with my iPad (original version but also running iOS 9.1) and I can see the checks and x's without any problem in both landscape and portrait mode. I tried it with Chrome, Safari and Puffin and the result was the same with all of them. Interestingly,, a park the map of which didn't have zoom tools with Chrome or Safari did have them when using Puffin, so that problem apparently is browser-dependent and is not entirely due to the website.
I too am running iOS 9.1 and only use Safari. I found the problem, and it is the 1Blocker content blocker. When I disallow it, the checks, X's, and question marks return. Sorry about that. As for the Google maps window, 1Blocker or not, I don't get any of the map functions I see on my Windows 7 PC: zoom, switch between map and earth, lat/long, directions, save, and my user avatar at the upper right. All I see is "View larger map" in the upper left corner. I just installed Puffin and the Google maps window has all the functions except lat/long, directions, save, and my user avatar, which aren't important too me. However, the country and state maps do not appear. I appreciate the difficulty of supporting multiple OS's and browsers. I'll turn off 1Blocker when using this site, which we depend on a lot. Thanks for keeping it going.