Oregon 15' Topographic Maps Explanatory Notes

List of available Maps

Map sheet index

EXPLANATORY NOTES

(2) = Number following quadrangle name in parentheses provides total number of printings for that quad.

C of E = U.S. Army Corps of Engineers as cartographer and/or publisher.

(P) = Planimetric = map representing only the horizontal positions of features (and not the vertical positions, like heights, which a topographic map shows).

"2 copies" = 2 copies: Indicates the MAP Library has two printings with identical dates: 1 with green screen and 1 without.

Cut-over screen = indicates logging

Logged-off screen = indicates logging

Needed = Not found in the University of Oregon MAP Library.

Reprint = a later printing of the same map edition.

In the Printing Dates column, 19xx w/19yy means that the map was has a handwritten note of the first year while the second is the printed edition year.

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