Just looked at a cemetary I was asked to bid on. Wow, not sure where to go with this one. The larger half is old.... ooooold! There is no organization at all to any of it, completely random. Half of the stones are fallen down. The ones from the 1850's look modern. Most of them, you can no longer read. The stones that are older than the 1930's have big sink holes in front of them because the people and coffins are long gone. It looks like washboard sections scatterd over about 2.5 acres. There are a couple of fences around familys made of steel pipe and cement posts that are half standing at best. Its strange because you often see the small stones, 2" wide, that are broken, fallen down, etc. But there are the huge 6-7 ft tall ones flopped over. Most of it is so random and full that Id be better off just trimming large portions than even using a walk behind. I can be fairly sure they wont be very picky based on present condition. Grass looks like the bi-weekly mowing type. But Im pretty hopeless on man hours estimate with this one.