A 3D site visualizing surviving Los Angeles buildings by year built is live, tracing the city's growth from 1880 to 2026.

Census presenters said Title 13 restricts release of address coordinates; the Bureau provides address‑count listing files twice a year and a popular Census Geocoder API that returns interpolated coordinates from address‑range matches.

What in the heck happened while surveying Townships 23 and 24 North, Range 20 West? I was playing around with the GLO portal. That's how I found this craziness in the first few miles north...

The presenter demonstrated map tools (variable selection, base maps, boundaries, classes, selection shapes), the identify tool and GeoJSON download, and the address search (example: 4600 Silver..., 20746) and block-group identification for Alexandria (Block Group 3, Tract 2007.03).

Found this link to this digital version on Linkedin. A history of the determination of the figure of the earth from arc measurements Publication date 1906 Book from the collectio...