I think his current argument is that he doesn't have to give access (maintain easement) because his property is part of an 1851 sale of Mexican property which h

I think his current argument is that he doesn't have to give access (maintain easement) because his property is part of an 1851 sale of Mexican property which has a treaty that supercedes Californian state law. Essentially a federal treaty supercedes state law through judicial review.