Ryan, California

The same ground, surveyed 80 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.

1908 1988

Matched by testing this settlement's coordinate against the published boundary of every sheet in the United States Geological Survey's historical collection. Each opens the scanned sheet at the Survey.

• 1908 USGS Furnace Creek quadrangle1:250000
• 1910 USGS Furnace Creek quadrangle1:250000, 5 printings
• 1948 USGS Death Valley quadrangle1:250000, 2 printings
• 1952 USGS Ryan quadrangle1:62500, 5 printings
• 1954 USGS Death Valley quadrangle1:250000, 3 printings
• 1956 USGS Death Valley quadrangle1:250000
• 1957 USGS Death Valley quadrangle1:250000
• 1958 USGS Death Valley quadrangle1:250000
• 1961 USGS Death Valley quadrangle1:250000
• 1964 USGS Death Valley quadrangle1:250000
• 1965 USGS Death Valley quadrangle1:250000
• 1986 USGS Death Valley Junction quadrangle1:100000, 2 printings
• 1988 USGS Ryan quadrangle1:24000

Regional context, not property-specific evidence. The federal mineral resources record lists 41 workings within 5 miles of Ryan: 21 past producers, 12 occurrences, 3 prospects, 3 producers. 3 still produce. What was taken out: Boron-Borates, Sand and Gravel, Construction, Strontium, Boron-Borates, Lithium. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.

Every working recorded in Inyo County

Regional context, not property-specific evidence. The National Weather Service names Ryan in 18 storm reports between 2010 and 2022: 17 flash flood, 1 heavy rain. No death or injury is recorded in these reports. Each account below is quoted exactly as the forecast office filed it, from the NOAA Storm Events Database, and each date opens the federal record of that event.

Every storm recorded in Inyo County

The eight closest, with where each one stands in the county. Distances are straight-line, computed from the Geographic Names Information System coordinates.

Matched on this settlement's Geographic Names Information System number rather than its name, so it cannot be a different place of the same name in another state.

This settlement is recorded in the Geographic Names Information System as feature 1661348. The sheet list is computed by point-in-boundary test against the United States Geological Survey's historical topographic inventory. Both are works of the United States government and carry no copyright under 17 U.S.C. 105.

Mines and quarries. USGS Mineral Resources Data System (MRDS) https://mrdata.usgs.gov/mrds/ A work of the United States government, no copyright under 17 U.S.C. 105.

Storms. NOAA National Centers for Environmental Information, Storm Events Database https://www.ncei.noaa.gov/stormevents/ A work of the United States government, no copyright under 17 U.S.C. 105. Narratives are quoted verbatim from the National Weather Service report and are not edited or summarised.