Dinosaur National Monument in the context of "Sauropoda"

In archaeology, rock art refers to human-made markings placed on natural surfaces, typically vertical stone surfaces. A high proportion of surviving historic and prehistoric rock art is found in caves or partly enclosed rock shelters; this type also may be called cave art or parietal art. A global phenomenon, rock art is found in many culturally diverse regions of the world. It has been produced in many contexts throughout human history. In terms of technique, the four main groups are:

• cave paintings,
• petroglyphs, which are carved or scratched into the rock surface,
• sculpted rock reliefs, and
• geoglyphs, which are formed on the ground.

The oldest known rock art dates from the Upper Palaeolithic period, having been found in Europe, Australia, Asia, and Africa. Anthropologists studying these artworks believe that they likely had magico-religious significance.

Jensen is a census-designated place in eastern Uintah County, Utah, United States. The population was 372 at the 2020 census. It lies along the Green River and U.S. Route 40, southeast of the city of Vernal, the county seat of Uintah County, and about 17 miles west of the Colorado border. Although Jensen is unincorporated, it has a post office, with the ZIP code of 84035.

Jensen was first settled in 1877 and named for Lars Jensen, an early prospector and ferryman. Today its main importance is as the Utah entrance to Dinosaur National Monument.

Vernal is the county seat of and the largest city in Uintah County, Utah, approximately 175 miles (280 km) east of Salt Lake City and 20 miles (32 km) west of the Colorado border. As of the 2020 census, the city population was 10,079. The population has since grown to 10,432 as of the 2022 population estimate.

Vernal is home to the Vernal Temple of The Church of Jesus Christ of Latter-day Saints and one of the nine statewide regional campuses of Utah State University. The city serves as a gateway to the nearby Dinosaur National Monument, Flaming Gorge, and the Uinta Mountain Range.