OCR Text |
Show NOTE. The following topographical atlas maps, published during the year, accompany the oopies of Appendix NN of the Annual Report of the Chief of Engineers, being annual report of Lieut. Geo. M. Wheeler, Corps of Engineers, in oharge of United States Geographical Surveys for 1977, and are in continuation of the series, ninety- five in number, on a scale of 1 inch to 8 miles, embracing the territory of the United States lying west of the 100th meridian. ( See Progress Map.) 1. Atlas sheet 53 C, embracing portions of Central Colorado, and lying principally in the drainage- basin of the South Platte River. 2. Atlas sheet 61 B, embracing portions of Central Colorado, and showing portions of the drainage- basins of the Rio Grande, Arkansas, Gunnison, and South Platte Rivers, indicating economical features. 3. Atlas sheet 61 C sub, embracing a portion of Southwest Colorado, and drainage-basins of the Gunnison, Rio Grande, Animas, Miguel, and Unoompahgre Rivers, representing economical features. 4. Atlas sheet 61 D, embracing portions of Southern Colorado, and lying principally in the drainage- basin of the Rio Grande. 5. Atlas sheet 65 D, embracing a portion of Southeastern California, and showing the interior basin of Panamint and Death Valleys, Amargosa River and Owen's Lake ^_ drainage, indicating economical features.. • Mfc* 6. Atlas sheet 69 B, embracing pbrtfonsVf Southern Colorado and Northern New Mexico, and lying principally in the drainage- basins of the Rio Grande, Conejos, Chama, and Navajo, indicating economical features. 7. Atlas sheet 70 A, embracing portions of Southern Colorado and Northern New Mexico, and showing the drain age- basins of the Purgatory and Canadian Rivers, and Costilla and Cnlebra Creeks, indicating economical features. 8. Atlas sheet 70 C, embracing a portion of Northern New Mexico, and showing the drainage- basins of the Canadian and Mora Rivers, indicating economical features. 9. Atlas sheet 77 B, embracing portions of Central New Mexico, and lying in the drainage- basins of the Rio Grande and Pecos River, indicating economical features. |