Farther upstream, the San Juan River flows into the Colorado River. In these narrower upstream portions of the rivers, more exposed riverbed appears in the later images.

Follow the San Juan River upstream. It noticeably shrinks by 2005, and it becomes less dark in 2018. Shallower water has more sediment and that appears lighter.

Imagery

Every picture has a story to tell
Oct. 29, 1963, ARGON satellite — San Juan River, Utah, USA
July 4, 1984, Landsat 5 (path/row 37/34) — San Juan River, Utah, USA
June 27, 1993, Landsat 5 (path/row 37/34) — San Juan River, Utah, USA
June 25, 1998, Landsat 5 (path/row 37/34) — San Juan River, Utah, USA
Aug. 31, 2005, Landsat 5 (path/row 37/34) — San Juan River, Utah, USA
Aug. 19, 2018, Landsat 8 (path/row 37/34) — San Juan River, Utah, USA
July 10, 2021, Landsat 8 (path/row 37/34) — San Juan River, Utah, USA
June 27, 2022, Landsat 8 (path/row 37/34) — San Juan River, Utah, USA

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