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: Main Street site-grade profile
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.
91.79 ft
Bounded IMG_1245 site/entrance source audit; no pixel scaling or world registration.
Drawing notation: EL. 91.79
Printed at the page-left exterior grade line.
76.75 ft
Bounded IMG_1245 site/entrance source audit; no pixel scaling or world registration.
Drawing notation: EL. 76.75
Printed at the page-right exterior grade line.
15.04 ft
91.79 - 76.75 = 15.04 feet. This is an endpoint difference, not a uniform slope.
Drawing notation: EL. 91.79; EL. 76.75
Direction is page-left to page-right only pending plan registration.
Calculated from: site-main-grade-page-left-elevation, site-main-grade-page-right-elevation
Source inventory is separate from the floor filters above. Select one drawing to inspect it; no drawing set is preloaded.