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- Devil's Backbone State Forest is a 705.5-acre (285.5 ha) state forest in Shenandoah County, Virginia. It lies on the slope of North Mountain in the drainage...4 KB (354 words) - 03:58, 14 December 2021
- The Pacific Northwest Seismic Network, or PNSN, collects and studies ground motions from about 400 seismometers in the U.S. states of Oregon and Washington...6 KB (624 words) - 16:42, 28 March 2023