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)Object: Survey note block
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.
Selected source evidence only; partial locator review. Applies to depicted historical drawing, not accepted building geometry.
Drawing notation: All streets shown are public and open
Selected source evidence only; partial locator review. Applies to depicted historical drawing, not accepted building geometry.
Selected source evidence only; partial locator review. Applies to depicted historical drawing, not accepted building geometry.
Drawing notation: Elevations are referred to city datum
Selected source evidence only; partial locator review. Applies to depicted historical drawing, not accepted building geometry.
Selected source evidence only; partial locator review. Applies to depicted historical drawing, not accepted building geometry.
Drawing notation: Sewers are used for both sanitary waste and roof water
Selected source evidence only; partial locator review. Applies to depicted historical drawing, not accepted building geometry.
Selected source evidence only; partial locator review. Applies to depicted historical drawing, not accepted building geometry.
Drawing notation: Sewers from gas mains are gas company drains
Selected source evidence only; partial locator review. Applies to depicted historical drawing, not accepted building geometry.
Selected source evidence only; partial locator review. Applies to depicted historical drawing, not accepted building geometry.
Drawing notation: Dry wells are not used for sewage disposal
Selected source evidence only; partial locator review. Applies to depicted historical drawing, not accepted building geometry.
Selected source evidence only; partial locator review. Applies to depicted historical drawing, not accepted building geometry.
Drawing notation: Official established width of sidewalks: Madison St. & Main St.12.0; Broadway & Sixth St.15.0 from property line to outside of curb
Selected source evidence only; partial locator review. Applies to depicted historical drawing, not accepted building geometry.
12 ft
Selected source evidence only; partial locator review. Applies to depicted historical drawing, not accepted building geometry.
Drawing notation: 12.0
Selected source evidence only; partial locator review. Applies to depicted historical drawing, not accepted building geometry.
15 ft
Selected source evidence only; partial locator review. Applies to depicted historical drawing, not accepted building geometry.
Drawing notation: 15.0
Selected source evidence only; partial locator review. Applies to depicted historical drawing, not accepted building geometry.
Selected source evidence only; partial locator review. Applies to depicted historical drawing, not accepted building geometry.
Drawing notation: There are no contemplated improvements in front of the site
Selected source evidence only; partial locator review. Applies to depicted historical drawing, not accepted building geometry.
Same fourth general-note line previously read as gas-company drains. This property records drainage by gravity.
Drawing notation: Sewers drain by gravity into Willamette river.
Same fourth general-note line previously read as gas-company drains. This property records drainage by gravity.
Same line: named historical destination Willamette river; no current infrastructure or pipe route claim.
Drawing notation: Sewers drain by gravity into Willamette river.
Same line: named historical destination Willamette river; no current infrastructure or pipe route claim.
Complete historical intent clause expands prior abbreviated improvement note; no absence of later changes inferred.
Drawing notation: There are no contemplated improvements in regard to sewers, gas, water and electric service adjacent to the site.
Complete historical intent clause expands prior abbreviated improvement note; no absence of later changes inferred.
Source inventory is separate from the floor filters above. Select one drawing to inspect it; no drawing set is preloaded.