I saw pictures of what appear to be Phoenician ships in the petroglyphs at Valley of Fire. There were two of them. I saw a slab with petroglyphs of feet. One had 6 digits. The rest were from children and probably a female adult (they were smaller) with 5 digits. I saw Petroglyphs of the animals of the region (long horn sheep, centipedes, scorpions, snakes, tortoises, and humans) and many sun spirals. Here they are:
There appears to be a ship in this one: