| USGS quadrant name | SE corner Latitude |
SE corner Longitude |
download | ||
| Chico - East | 39° | 120° | small 64kb | large 213kb | huge 704kb |
| Chico - West | 39° | 121° | small 50kb | large 208kb | huge 510kb |
| Ukiah - East | 39° | 122° | small 54kb | large 176kb | huge 564kb |
| Fresno - West | 39° | 123° | small 541kb | large 185kb | huge 619kb |
| Susanville - East | 40° | 120° | small 53kb | large 172kb | huge 541kb |
| Susanville - West | 40° | 121° | small 60kb | large 198kb | huge 633kb |
| Redding - East | 40° | 122° | small 58kb | large 189kb | huge 619kb |
| Redding - West | 40° | 123° | small 71kb | large 240kb | huge 814kb |
| Eureka - East | 40° | 124° | small 18kb | large 56kb | huge 182kb |
| Alturas - East | 41° | 120° | small 52kb | large 166kb | huge 515kb |
| Alturas - West | 41° | 121° | small 48kb | large 150kb | huge 460kb |
| Weed - East | 41° | 122° | small 67kb | large 223kb | huge 737kb |
| Weed - West | 41° | 123° | small 78kb | large 255kb | huge 878kb |
| Crescent City - East | 41° | 124° | small 10kb | large 31kb | huge 96kb |
| Water Only | small 56kb | large 186kb | huge 615kb | ||
