TIME MACHINE

Glen Canyon Dam Bridge
through time.

Move through the dated record of Glen Canyon Dam Bridge, separating what is documented, what is visible today and what still needs archival evidence.

DRAG THROUGH THE RECORD01 / 01

EARLY RECORD1959

MOMENT 01

In the record

The bridge was the highest arch bridge in the world when completed in 1959.

referenceGlen Canyon Dam Bridge reference ↗

THEN ↔ NOW

We’re not faking the past.

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 + SATELLITE

See what time left on the landscape.

Maps reveal position. Satellite imagery reveals the present landscape. Historical imagery is labeled separately because coverage varies.

source

Public reference

Start with the source record behind this Aha.

Inspect evidence ↗map

Present-day map

Put the historical sequence back into its modern geography.

Inspect evidence ↗satellite

Satellite context

Inspect the present landscape in Google Earth. Historical imagery availability varies by location and date.

Inspect evidence ↗media

Reusable media archive

Glen Dam bridge.JPG · CC BY-SA 2.0

Inspect evidence ↗

EVIDENCE RULE

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.