What usgs stand for and what do they do? The United States Geological Survey/service were and are the cartographers that converted early maps into the GPS location system known today. Edit
Medical Definition of EGOCENTRIC. 1. : limited in outlook or concern to one's own activities or needs.
Definition of egocentric predicament : the epistemological predicament of apparently being unable to get outside one's own mind because all that the knower can know will be what is present to his own mind