A 12-Foot Map for a Documentary: Why Merged USGS GeoPDFs Went Blurry and How I Rebuilt It
12 Oct 2026
The story of an 18 in Γ 12 ft, 210-mile topographic map for a film about an Alaska expedition: why stitched USGS GeoPDFs fell apart at print size, and how rebuilding from The National Map vector data kept every label sharp.