A tiny village on the Rio Grande River in northern New Mexico became the training center for the first American hydrographers and provided the first stream-gauging operations of the U.S. Geological Survey. To plan any water system, it is necessary to know the amount of water flowing in the stream or river at all times - including low, normal, and flood conditions.
Hydrography
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YearAdded:
Image Credit: Courtesy Wikicommons/Chris English (CC BY-SA 3.0)Image Caption: Near Velarde, NM: U.S. Geological Survey Rio Grande Embudo Gaging Station, 2011Era_date_from: 1888
1973
Innovations

A tiny village on the Rio Grande River in northern New Mexico became the training center for the first American hydrographers and provided the first stream-gauging operations of the U.S. Geological Survey. To plan any water system, it is necessary to know the amount of water flowing in the…
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