symbols and colors, and on a scale large enough to serve all normal foreseeable uses, the 3,000,000 square miles of the United States.” - Wallace Stegner, 1954
to ideal for plane-table methods …. Thousands of intersections and hundreds of elevations from one instrument station, - there is no other place on earth where it can be done.” - Francois Matthes, 1905
grows under your hand right out there in the field! …. It's mapping direct from nature, at first hand, like a painter with a landscape.” - David Greenhood, 1964
painted, or photographed .... Nearly diagramatic, it reproduces rock strata with miraculous accuracy - which is precisely what it was intended to do .... Not intended to be art, it succeeds in being art of a striking kind.” - Wallace Stegner, 1977