Big Bend National Park: U.S. Geological Survey, 1971

Title: Big Bend National Park  Author: U.S. Geological Survey Date: 1971 Condition: See description Inches: 39 3/4 x 33 7/8 [Image]  Centimeters: 100.96 x 86.04 [Image] Product ID: 308636 This large mid‑twentieth‑century United States Geological Survey sheet of Big Bend National Park, Texas, presents the entire park in a single, exhibition‑style composition that fuses precise topographic science with interpretive visual narrative, its large central panel rendering the mountainous desert landscape in subtle hypsometric tints and finely engraved contour lines draped over meticulous shaded relief so that the Chisos Mountains, deep canyons, and broad alluvial basins rise convincingly from the page while the sinuous Rio Grande, traced along the southern edge, anchors a dendritic network of tributary arroyos that cut back into plateau and basin alike, revealing the erosional architecture of the region. Around and within this physiographic framework, red‑toned linework and symbol