| Online link | https://geo-nsdi.er.usgs.gov/metadata/open-file/99-30/metadata.faq.html |
|---|---|
| Description | This Open-File report is a digital physiographic map database. This physiographic map of the Grand Canyon is modified from previous versions by Billingsley and Hendricks (1989), and Billingsley and others (1997). The boundary is drawn approximately along |
| Originators | Billingsley, George H. and Hampton, H. M. |
| Publication | U.S. Geological Survey Open-File Report 99-30 |
For more information on coverages go to the file gcpamphlet.txt which can be downloaded with the digital database.
Descriptions of the obscure attributes in the coverages RIVER can be found under the streams data set.
Roads
| Label | Definition |
|---|---|
| FNAME | Name of road |
| FTYPE | Road type |
Roads
| Label | Definition |
|---|---|
| HWYNO | Highway number |
Attributes of the Colorado River and it's tributaries.
| Label | Definition |
|---|---|
| NAME | Name of river |
| CU | The USGS Cataloging Unit (4th order) of the HUC Code. |
| SEG | EPA River Segment |
| MILE | Mile Index. Each SEG starts at 0.0 and increases with river mileage. The MILE values were intended to but don't accurately reflect river mileage. |
| PER | Perennial Code |
| DAF | Descriptive Attribute Feature |
| DAT | Descriptive Attribute Type CODE |
| DATNAME | Descriptive Attribute Type NAME |
| CO | Cartographic Order. {1 to 5] For cartographic filtering, not a stream order |