Port Isabel : Texas 1:50,000 / prepared by the U.S. Geological Survey for publication by the National Imagery and Mapping Agency.
| Author/creator | Geological Survey (U.S.) |
| Other author | United States. National Imagery and Mapping Agency. |
| Format | Map |
| Edition | Ed. 1-NIMA. |
| Publication Info | [Bethesda, Md.?] : The Agency, [1997] |
| Description | 1 map : color ; sheet 74 x 57 cm |
| Subjects |
| Variant title | Filing title: Port Isabel, Texas, United States |
| Variant title | Texas 1:50,000, Port Isabel |
| Cartographic data | Scale 1:50,000 ; transverse Mercator proj. (W 97⁰15ʹ--W 97⁰00ʹ/N 26⁰15ʹ--N 26⁰00ʹ). |
| General note | Relief shown by contours and spot heights. |
| General note | Depths shown by isolines. |
| General note | "Map information as of 1995." |
| General note | "Copyright 1997 by the United States Government. No copyright claimed under Title 17 U.S.C." |
| General note | "Printed by NIMA 9-97." |
| General note | Includes boundaries, adjoining sheets, slope, and elevation guide. |
| General note | "This map is red- and blue/green-light readable." |
| General note | "USGS 26097-A1-TM-050." |
| General note | "Series V782, sheet 6536 II." |
| Access restriction | Joyner- Limited distribution. Refer requests to Headquarters, NIMA. |
| Technical rpt number | 26097-A 1-TM-050 |
| GPO item number | 0619-M-43 |
| Govt. docs number | I 19.81/2:26097-A 1-TM-050/997 |