DIGITAL DATABASE FOR THE QUATERNARY GEOLOGIC MAP OF THE HATTERAS QUADRANGLE, UNITED STATES
MISCELLANEOUS INVESTIGATIONS SERIES I-1420 (NI-18)

State compilations by Gerald H.Johnson, Pamela C. Peebles

Edited and integrated by Gerald M. Richmond, David S. Fullerton, and David L. Weide

1986

Posted digitally 2012

INTRODUCTION

Files available through this site represent the digital component of the
HATTERAS Quadrangle of the Quaternary Geologic Atlas of the U.S., 
Miscellaneous Investigations Series, Map I-1420 (NI-18).  The files
contain .e00 files, shapefiles, and pdf files of the map's illustrations
and correlation diagram, and pdf files of the map unit descriptions and
sources of information.  An ARC/INFO aml, keyfiles and shadeset
are included to produce the plot of the data.  

DISCLAIMERS

This database, identified as I-1420 (NI-18), has been approved for release and publication by the
Director of the USGS.  Although this database has been subjected to rigorous review and is
substantially complete, the USGS reserves the right to revise the data pursuant to further
analysis and review. Furthermore, it is released on condition that neither the USGS nor the
United States Government may be held liable for any damages resulting from its authorized
or unauthorized use.

Although these data have been processed successfully on a computer system at the U.S. Geological
Survey, no warranty, expressed or implied is made regarding the display or utility of the data
on any other system, or for general or scientific purposes, nor shall the act of distribution
constitute such warranty.  The U.S.Geological Survey shall not be held liable for improper or
incorrect use of the data described and/or contained herein.

Any use of trade, product or firm names is for descriptive purposes only and does not imply
endorsement by the U.S. Geological Survey. Although this information product, for the most part,
is in the public domain,it also contains copyrighted material as noted in the text.  Permission
to reproduce copyrighted items for other than personal use must be secured from the copyright owner.

CONTENTS

The following ARC/INFO export coverages are included in hatterasGIS.zip:

	>geo_net--map unit polygons and open water; lines that are geologic
		contacts and shorelines.
        >hatt_lin--a line coverage of linear features
	>hatt_poly--a polygon coverage of polygon features
	>hydr_lin--a line coverage indicating locations of streams and water bodies
	>topo_lin--a line coverage containing contour lines
	>bnd_poly--a polygon coverage containing county and administrative areas
	>rd_lin--a line coverage of state and federal highways in the U.S.
	>rr_lin--a line coverage of railroads
	>grid_lin--a line coverage of 1 degree projection lines


Included in hatterasIMG.zip: 

	I-1420_ni-18_map.pdf--A scan of the original published paper map
	I-1420_ni-18_plotfile.pdf--A plot of the digital files
		containing map units, linear features, hydrology,
            	topography, state boundaries, and list of map symbols
	I-1420_ni-18_correlation.pdf--A scan of the diagram showing
             	correlation of map units
	I-1420_ni-18_index.pdf--An index map showing location of
      	       Quaternary Geologic Atlas of the U.S. quadrangles
	I-1420_ni-18_responsibility.pdf--A scan of the illustration of
            	compilation responsibilities shown on the paper map
	I-1420_ni-18_textonly.pdf--Text description of map units, figure
	      	captions, and sources of information used in preparing the
            	original map
	I-1420_ni-18_stratunits.pdf--A scan of the graph showing tentative corrlation
		of quaternary and upper pliocene stratigraphic units of the Atlantic 
		Costal Plain in the hatteras quadrangle
		

Also available in the file hatterasAV.zip are the ArcView shape files of the
            Arc/Info coverages

  Charles A. Bush
  U.S. Geological Survey                                                     
  (303) 236-4723
  cbush@usgs.gov

INSTRUCTIONS AND DOCUMENTATION FOR U.S. GEOLOGICAL SURVEY MISCELLANEOUS
INVESTIGATIONS MAP I-1420 (NI-18)

To access the data:

The data files can be downloaded via the web from:
http://pubs.usgs.gov/imap/i-1420/ni-18/

The main product is a Portable Document Format (.pdf) map, which requires
Adobe Acrobat for viewing. Acrobat software runs on a variety of systems,
and is available for download free of charge from Adobe at http://www.adobe.com.