The Shape and History of The Ellipse in Washington, D.C.

Year: 2004 Authors: Clark Kimberling

Core claim

The Ellipse in Washington, D.C. is practically an ellipse, with measured dimensions and geographic features closely matching standard ellipse formulas.

Topics

conic sections, Washington, D.C. geometry, historical surveying, eccentricity and foci

Domains

analytic geometry, conic sections, measurement approximation, geometric surveying, landscape design, urban planning, historical cartography

Methods

survey comparison, area computation, perimeter approximation, map analysis

Media

USGS topographic maps, National Park Service survey, photographs, driveway curb line

Source status

This page publishes metadata and extracted analytical signals only. Raw PDF and full OCR text are kept local for now.