Birthright Citizenship RobVG June 29, 2025 3:34 pm (CurrentEvents)
To be blunt, NASA is now dead RL June 27, 2025 11:56 am (Space/Science)
Musk trashes his own AI after it chose a liberal worldview. RobVG June 23, 2025 9:56 am (CurrentEvents)
Psyche keeps its date with an asteroid BuckGalaxy June 22, 2025 5:21 pm (Space/Science)
Just for the record... ER June 22, 2025 8:59 am (CurrentEvents)
The Three Unknowns After the U.S. Strike on Iran BuckGalaxy June 22, 2025 12:58 am (CurrentEvents)
There are only nine meals between mankind and anarchy. BuckGalaxy June 22, 2025 12:29 am (Flame)
Not ready for prime time BuckGalaxy June 19, 2025 12:18 pm (Space/Science)
hypocrisy ER June 15, 2025 2:30 pm (Flame)
NSIDC offline? ER June 12, 2025 12:19 pm (Space/Science)
Wouldn't it be nice BuckGalaxy June 11, 2025 3:13 pm (Off-Topic)
Thank You Falettinme Be Mice Elf Agin BuckGalaxy June 9, 2025 1:35 pm (Off-Topic)
From the USGS, naturally:
http://historicalmaps.arcgis.com/usgs/index.html.
Oh, what fun! Perusing old maps is part of my gig and this new map viewer is cartographic porn. Find your area of interest, your desired scale, click, and you’ve got a timeline of olde timey maps to look at. Check out how your neighborhood has changed over the decades.