October 2019
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Map

USGS Topographic Map Explorer

Curbed LA has a good article about a new USGS site that lets you overlay old and new topographic maps – really cool interface too.

Link to the article

Link to the map explorer

USGS releases new digital topographic maps for California

The USGS has released its new digital topographic maps for California. I have published detailed information about this on our GIS Data Portal.

For more information, click here to go to Los Angeles County GIS Data Portal.