Record Details
Page 6
University of Arizona CONTENTdm Server Respository
| Field | Value |
|---|---|
| Title | Page 6 |
| Type | text |
| Format | jpg |
| Identifier | su07338 http://server16127.contentdm.oclc.org/u?/udallcoloradoAZU,3122 |
| Description | literally blanketed the region with topographic maps of exceptional value. Using the maps of the Powell, Wheeler, and Hayden surveys as base and filling in the blanks with further surveys, the United States Geological Survey, under Powell's direction, published, by 1896, topographical quadrangles covering the entire Glen Canyon region. These were admittedly reconnaissance maps but they were not replaced by anything better of the general region until the Geological Survey began, in 1951, to... Epson Perfection 4870 Photo, 400 dpi, 8 bit, 14,610,432 bytes |
