5 entries match your criteria.
Related Historical Markers
SHOWN IN SOURCE-SPECIFIED ORDER
1 ► Arizona, Coconino County, Flagstaff — Lowell Observatory — National Historic Landmark — |
2 ► Arizona, Coconino County, Flagstaff — The Lawrence Lowell Telescope — |
3 ► Arizona, Coconino County, Flagstaff — Clark Dome Weather Station — |
4 ► Arizona, Coconino County, Flagstaff — 42-Inch Reflecting Telescope — |
5 ► Arizona, Coconino County, Flagstaff — Henry Lee Giclas — December 10, 1910 - April 2, 2007 — |