All 5 Uses

topography
in
Into the Wild
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Given the treacherous nature of the local topography (most of the cliffs that riddle the region are composed of Navajo sandstone, a crumbly stratum that erodes into smooth, bulging precipices) and Ruess's penchant for dangerous climbing, this is a credible scenario.
p. 94.5

topography = features of the surface area of a region
Unlike McCandless, however, I have in my backpack a 1:63,360-scale topographic map (that is, a map on which one inch represents one mile).
p. 173.5

topographic = showing the features of the surface area of a region -- especially changes in elevation
Because he had no topographic map, however, he had no way of conceiving that salvation was so close at hand.
p. 174.4 *

topographic = showing features of the surface area

editor's notes: Most people think of a topographic map as showing changes in elevation, but in this case the author is referring to it also showing the location of the cable that spanned the river.
Thinking that his escape route had been cut off, he returned to the bus, a reasonable course of action, given his topographical ignorance.
p. 174.8

topographical = regarding features of the surface area of a region
If McCandless had possessed a U.S. Geological Survey topographic map, it would have alerted him to the existence of a Park Service cabin on the upper Sushana River, six miles due south of the bus, a distance he might have been able to cover even in his severely weakened state.†
p. 195.9

Definitions:

(1) (topography)
the features of the surface area of a region; or their study -- especially changes in elevation
(2) (meaning too rare to warrant focus)