In 1938, a major dinosaur footprint find occurred near Glen Rose.

In this upper part of the middle coal seam set dinosaur footprints were found.

Worm burrows and dinosaur footprints can also be found in these rocks.

The farm is the location of 170 dinosaur footprints.

Another way to find (and perhaps even keep) dinosaur footprints is to ask for guidance from county authorities.

Small dinosaur footprints were also discovered in western Wyoming during the 1930s.

In 1983, however these "potholes" were recognized as dinosaur footprints.

Local fossils had already caught the attention of scientists by 1802 when dinosaur footprints were discovered in the state.

Compton Bay, where dinosaur footprints are visible at low tide.

Scientists estimate that time and erosion have erased 99 percent of all dinosaur footprints.