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)Sheet W7
Extraction: Reviewed · extraction partial. Partial companion: Close-up of Main-side rooms, dimensions, title and datum Partial timed visual review: Selected source-local partition witness review; existing room widths and office labels not repeated. Partial timed visual review: Prior verified extraction reused without duplication; selected new properties only. No full-coverage or physical geometry claim. Partial timed visual review: Additional source-local room identity and dimension endpoint review only; no geometry acceptance. Partial timed visual review: undefined Partial timed visual review: undefined Partial timed visual review: Fifth-floor lower facade/title exposure; selected crop missed the attorney interior band. Existing room witnesses/marks reused.
Highlighted reading: 521 [circled]. Source-local property only; no accepted transform or solid.
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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.
521 identifier
Source-local property only; no accepted transform or solid.
Drawing notation: 521 [circled]
Source-local property only; no accepted transform or solid.