Maps. Colorado-Big Thompson project, general map showing project features and Northern Colorado Water Conservancy District; map 26400. Scale 20 m.=2.1 in. n. p.
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Colorado-Big Thompson project, general map showing project features and Northern Colorado Water Conservancy District; map 26400. Scale 20 m.=2.1 in. n. p.
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Maps. Colorado-Big Thompson project, general map showing project features and Northern Colorado Water Conservancy District; map 26400. Scale 20 m.=2.1 in. n. p.