Rio Grande, Texas Presidio county, Redford to Colorado Canyon section road map. <<< Back to Rio Grande main page MAP LEGEND: Blue Dot = Put In, Red Dot = Take Out (Above map supplied by Wanan W., copyright ©.) Putin Location Coordinates: Latitude: 29.44222 Longitude: -104.19917 Takeout Location Coordinates: Latitude: 29.33416 Longitude: -104.05723 HIGH QUALITY TOPO MAP, CLICK HERE