The Cartographer's Last Map
The satellite photographs arrived on a Tuesday, and Ellen knew she was finished. Not immediately. She didn’t open the envelope until Thursday, because Tuesday and Wednesday she was finishing the Humboldt County sheet — the drainage patterns along the South Fork of the Eel River, where the tributaries braided through old-growth redwood in ways that changed every winter. She’d been working from a set of aerial photographs taken the previous March, and the light had been good that day. Clear sky, low angle, the shadows telling her things about elevation that contour lines could only approximate. ...