"a topography" is correct and usable in written English.
You could use it to describe a landscape or surface feature of an area, for example, "The topography of the desert was extremely rough and uneven."
A topography of nation-by-nation inventive prowess.
Here is a topography of a great artist's life and work.
He could be handed a topography map at a site and sketch out the entire resort".
Lists of the year's biggest stories are attempts at orientation: a topography of time gone by.
The plinth is relentless, but we want to create a topography that is less relentlessly horizontal".
Just a topography of thermal variances, to be assimilated and taken advantage of by the pilgrims.
They have a topography that is that adjacency in stimulus or representational space.
New York was the first place I lived that shared neither a topography nor a mind-set with rural Iowa.
The Unofficial Countryside is a proper reckoning, the Doomsday Book of a topography too fascinating to be left alone.
Those of the Iberian Peninsula and north-central Mexico exhibit a topography that is largely high and relatively flat.
The scanning exposed a topography inscribed with a precise network of furrows and mounds, the bones of the city etched into the landscape.
