SPATIAL COVERAGE OF DOQQS (BW) DIGITAL ORTHOPHOTO QUARTER QUADRANGLES OF CALIFORNIA

There are 8,457 items in doqqs (bw) digital orthophoto quarter quadrangles of california as of March 14, 2002.

The spatial coverage of the items is graphically shown by the tiled map below. Each tile represents a 10° × 10° area of the Earth's surface. The color of a tile reflects the number of items that overlap that tile; the lighter the color, the more items that overlap. The legend to the right of the map shows the correspondence between color and number of items.

(graphical display)

The following table shows the spatial coverage numerically. Each cell in the table represents a 20° × 20° area of the Earth's surface centered at the indicated latitude and longitude. The value in a cell is the number of items that overlap that cell.

Longitude
-170 -150 -130 -110 -90 -70 -50 -30 -10 10 30 50 70 90 110 130 150 170
Latitude 80 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
60 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
40 0 0 3850 4701 0 0 0 0 0 0 0 0 0 0 0 0 0 0
20 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-20 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-40 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-60 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-80 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0