History's Layers in Hebes Chasma Size:18" x 24" Related Names: Cady

Related Names: Cady

and Randy Bresnik

See America poster showing the dramatic environment of Bryce Canyon National Park in Southern Utah

Paul's Cathedral

This color silkscreen poster was created to protect the Trumpeter Swan

History's Layers in Hebes Chasma Size:18" x 24" Related Names: CadyOn the northern side of Valles Marineris on Mars lies a closed geological depression named Hebes Chasma. In outline, Hebes looks like a micro version of the gigantic valley but it extends only about 320 kilometers (200 miles) long and stretches 130 km (80 miles) wide at its widest. Still, Hebes is about 5 to 6 km (16,000 to 20,000 feet) deep in the region seen here and as with most parts of the Valles Marineris system, landslides scar its walls. Yet