Every dimension belongs to an object and a drawing. Original room numbers, object marks, printed values and source regions stay together—even when the answer is unresolved.
464 of 464 photographs have extraction records, containing 27,517 properties. Initial image review is not exhaustive extraction: 0 photographs have passed the full-region check. 66 numbered sheets are reconciled. Modeling and architectural registration are separate work; these counts do not establish a complete building.
Download the structured register (JSON)Original sheet identity has not yet been reconciled.
Extraction: Reviewed · extraction partial. Complete close-up and three bounded evidence regions reviewed Partial timed visual review: Additive remaining-region review; native derivative coordinates before clockwise presentation rotation. Source-local evidence only.
Highlighted reading: 3 ft. Plan chain including 3'-0" witness.
Show every recorded property on this drawing →
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Scroll or pinch to inspect this drawing. The gold outline locates the selected reading. Archival drawing photograph · Oregon Historical Society research collections.
Open source image separately ↗Printed values, calculations, image traces and observed counts are different kinds of evidence. “Verified” applies to the specific reading—not to the whole room or model.
3 ft
Authoring eligible: true. verified endpoints; assembly classification unresolved
Drawing notation: 3'-0"
Plan chain including 3'-0" witness.