Microtopographic Survey at Double Ditch
In a paper presented to the Plains Conference in 2004, Christine Markussen, Eileen G. Ernenwein, Stanley A. Ahler and Kenneth L. Kvamme presented a paper with details of the mapping of the microtopography at Double Ditch State Historic Site, North Dakota. Double Ditch is known for its significant topographic variations that define two fortification ditches, numerous depressions over former houses and borrow pits, and mounds as tall as 3 m. The Center's Trimble 5600 robotic theodolite was employed to produce a high-resolution digital elevation model (DEM) of the site to preserve its appearance as it exists in 2004, and aid in the interpretation of archaeological and remote sensing data from a four year project.
The survey clarifies several archaeological and remote sensing issues, particularly with regard to understanding patterns of earth movement and borrowing, aids in visual interpretation of the site, and raises several new questions. Double Ditch is known for its significant topographic variations.
Initial DEM from 25 cm Contour Base Map
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