USGS
Lake Pontchartrain Basin:  Bottom Sediments and Related Environmental Resources

Figure 6.  Map showing numbered grid squares in "AREA_CD_SQ" field.

Below is a map of the areas used in the AREA_CD_SQ field of the sediment database (appendix D). Available here are compressed (.zip) files containing either MapInfo's export files or an ArcView shapefile showing these delineated areas. To obtain free utilities to decompress these files, see Tip 3 in appendix D.

map of the areas used in the AREA_CD_SQ field of the sediment database (153355 bytes)


arrow2l.jpg (1149 bytes) Back to Data Sources and Locations
arrow2l.jpg (1149 bytes) Back to Analytical Methods and Quality Control

[an error occurred while processing this directive]