A turning point
This Civil War veteran explored the river via three wooden boats in 1869.
Aha!
Looking closer…
Looking closer…
Move through the dated record of Lake Powell, separating what is documented, what is visible today and what still needs archival evidence.
This Civil War veteran explored the river via three wooden boats in 1869.
Aha will show a draggable historical comparison here only when a sourced archival image and a sourced current view are available. Until then, the dated record stays textual and verifiable.
Maps reveal position. Satellite imagery reveals the present landscape. Historical imagery is labeled separately because coverage varies.
Start with the source record behind this Aha.
Inspect evidence ↗mapPut the historical sequence back into its modern geography.
Inspect evidence ↗satelliteInspect the present landscape in Google Earth. Historical imagery availability varies by location and date.
Inspect evidence ↗mediaGlen Canyon Dam MC.jpg · CC BY 2.5
Inspect evidence ↗mediaColorado River05.jpg · Public domain
Inspect evidence ↗mediaColorado River Avi.JPG · CC BY 3.0
Inspect evidence ↗mediaGlen Canyon Dam 2013.jpg · CC BY-SA 3.0
Inspect evidence ↗Aha distinguishes dated historical records, reusable archival media, present-day maps and satellite context. A historical image is never labeled as ‘Then’ unless a source is attached.