Credits

Photographs, documents, base map and typefaces used on this site, with their authors and licences.

Photographs and documents

• Manly Beacon and the badlands from Zabriskie Point, Death Valley — Christian David — CC BY-SA 4.0
• Painted Hills, Oregon (observateur) — Steven Weeks — Unsplash License
• Colorful strata, Zhangye National Geopark — Terry Wu — CC BY-SA 2.0
• Painted Hills, Oregon (panorama) — Andrew Kearns — CC BY 4.0
• Boomer seismic-reflection record, line TX 710_01, cruise 96CCT02 (Data Series 296) — U.S. Geological Survey — Public domain
• Geologist examining cuttings from wildcat well, Amarillo, Texas (1943) — John Vachon, Library of Congress — Public domain
• Magnetic tape library, Washington Data Processing Center (1966) — USDA / National Archives — Public domain
• Calco Ferch-1 core, Core Research Center, Lakewood — Joshuahicks (English Wikipedia) — CC BY-SA 3.0
• A Desert Intersection — Mazartagh, Tarim Basin (Landsat 9) — NASA Earth Observatory / USGS — Public domain
• Vibroseis, Galmaz, Azerbaijan — Interfase — CC BY 3.0
• The Wave, Coyote Buttes, Vermilion Cliffs National Monument — Bureau of Land Management — Public domain
• Geology hike near Leslie Gulch, Oregon — Andrea Bowen, BLM Oregon & Washington — Public domain

Map

Map built with MapLibre GL JS on the OpenFreeMap base, data © OpenStreetMap contributors and OpenMapTiles. Country outlines: Natural Earth (public domain).

Typefaces

Newsreader (Production Type) and Familjen Grotesk (Nihal Berkkurt), both under the SIL Open Font License 1.1, self-hosted.