Glenns Ferry, Idaho - 30x60 Minute Series Topo Map Sweden Geological Survey Open-File Report 02-172

Geological Survey Open-File Report 02-172

Published: 2025

000 feet in elevation

a liquefaction-induced complex lateral spread/flow slide initiated by large prehistoric earthquakes

Plates: N/A

Glenns Ferry, Idaho - 30x60 Minute Series Topo Map Sweden Geological Survey Open-File Report 02-172The distinctive characteristic of a topographic map is that the shape of the Earth's surface is shown by contour lines. Contours are imaginary lines that join points of equal elevation on the surface of the land above or below a reference surface, such as mean sea level. Contours make it possible to measure the height of mountains, depths of the ocean bottom, and steepness of slopes. A topographic map shows more than contours. The map also includes