Surprise Tank Petroglyphs

Alysia examines the wall of petros. On the left is a small rockshelter with rattlesnake lines. It is thought to be the work of a "Rattlesnake Shaman". Photo circa 1998. Most are a mystery to me. Alysia looks at a grid or net. There is a little vandalism here too. Possibly a rain petro. Lots of petroglyphs. Petroglyphs. Interesting petroglyphs I spot on the way to the tank. These look modern. My truck and open country on a visit in 2009. I spot a couple of rock shelters with petroglyphs. Petroglyph covered boulder. Note some modern graffiti too. You can see a small shelter here with petroglyphs above it. Some vandalism here as well. Closer view of the vandalism and petros. These petros have almost been buried. View of the rock shelter. Some interesting petros. Wavy lines. Rattlesnakes? Petroglyphs. Quite a few petroglyphs here and I haven't even gotten to the main site yet. All of these seem to be abstract. Petroglyphs. Fairly complex abstract design. Finally, I'm at the main site. Judging by the different degrees of re-varnishing, the petroglyphs have been added over a very long period of time. This is one of my favorites. What could this possibly mean? As you can see, there are many petroglyphs here. They line both walls of the wash. Petroglyphs. This worn spot could have been used to grind something, like seeds. Petroglyphs. I find a small shelter. This one looks unusual. Note the rattlesnake looking glyph on the right. Faint panel. Faint petroglyphs. Some vandalism here too. Petroglyphs. Interesting panel. Many repeated and unusual shapes here. Fully pecked disks are interesting. Walking along the wash. Petroglyphs. Some wavy lines in the middle right. Could those be rain? Enclosed dots. Petroglyphs. There are very few zoomorphic petroglyphs here. These are two simple bighorn sheep. Petroglyphs on nearly every surface. Some more bighorn sheep scattered about. Petroglyphs. Petroglyphs. These "rakes" are usually thought to symbolize rain. On the left you can see a pile of mesquite bean pods from the tree above and out of view. Lichen grows over some of these petroglyphs. They have been here for a long time. Two hands? Sun? Serpentine lines. Disks and rake. Interesting line glyph in the center. Unusual. Not many are on the underside of the basalt boulders, but these are. This is another favorite. You can see some of the wash and mesquite trees here. The "Rattlesnake" shelter. It is suggested that a shaman used this shelter. Note the "rattlesnakes" around the shelter. Another bighorn. A wide variety of petroglyphs. Another little shelter. Petroglyphs. Anthroporph? This is about the end. Some graffiti Bighorns