| | Title | Alternative Title |
|---|
| 51 |  | Plate 51 | Second Huerfano Butte, composite sketch and photograph |
| 52 |  | Plate 52 | Huerfano Butte, Gwinn Harris Heap lithograph |
| 53 |  | Plate 53 | Huerfano Butte, lithograph by Solomon Carvalho |
| 54 |  | Plate 54 | Sierra Mohada from 2-30 Camp 40, sketch |
| 55 |  | Plate 55 | Sierra Mohada, photograph |
| 56 |  | Plate 56 | Sierra Mohada, composite sketch and photograph |
| 57 |  | Plate 57 | Wet Mountains, sketch |
| 58 |  | Plate 58 | Wet Mountains, photograph |
| 59 |  | Plate 59 | Wet Mountains, composite sketch and photograph |
| 60 |  | Plate 60 | Main chain, Sierra Blanca, eastern slopes, Aug. 10th, sketch |
| 61 |  | Plate 61 | Main chain, Sierra Blanca, eastern slopes, photograph |
| 62 |  | Plate 62 | Main chain, Sierra Blanca, eastern slopes, composite sketch and photograph |
| 63 |  | Plate 63 | View eastward from El Sangre de Cristo Pass, Huerfano_R., sketch |
| 64 |  | Plate 64 | View eastward from El Sangre de Cristo Pass, Huerfano_River, photograph |
| 65 |  | Plate 65 | View eastward from El Sangre de Cristo Pass, Huerfano_River, composite sketch and photograph |
| 66 |  | Plate 66 | Huerfano River near Camp 40, sketch |
| 67 |  | Plate 67 | Huerfano River, photograph |
| 68 |  | Plate 68 | Huerfano River, composite sketch and photograph |
| 69 |  | Plate 69 | Wet Mountains, Huerfano R, sketch |
| 70 |  | Plate 70 | Wet Mountains, Huerfano River photograph |
| 71 |  | Plate 71 | Wet Mountains, Huerfano River composite sketch and photograph |
| 72 |  | Plate 72 | Les Trois Tetons in the distance, Sierra Blanca, sketch |
| 73 |  | Plate 73 | Photograph of Les Trois Tetons from higher up |
| 74 |  | Plate 74 | View of Sangre de Cristo Pass, Stanley lithograph from Kern sketch |
| 75 |  | Plate 75 | View of Sangre de Cristo Pass, composite lithograph and sketch |