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Earth Surface & Interior
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Snow-capped mountains carved by deep river valleys preside over northwestern Washington state.
Differences in the underlying bedrock and how rivers distribute sediment make the coastlines west of Portland look unlike those northeast…
The hills and basins of Seattle, Washington, have been sculpted by glaciers and modified by humans.
Sediment eroded from ice-capped mountains splays out across a broad river valley on Russia’s Severny Island.
Sites relevant to the start of the American Revolutionary War are interspersed throughout the modern-day Boston metropolitan region.
Marshy, sandy terrain and an impassable inlet helped colonial forces repel British forces during a pivotal battle on the barrier…
Apollo astronauts previewed their roles as lunar field geologists in Alaska’s Valley of Ten Thousand Smokes.
NASA develops technology and missions to observe agricultural landscapes, enhancing food security, stabilizing markets, and supporting productive farming.
The Nebraska Sandhills—the largest system of sand dunes in the Western Hemisphere—stretch across about one-quarter of the state.
