Surficial deposits and materials in the eastern and central United States (east of 102 degrees west longitude)

Online link https://geo-nsdi.er.usgs.gov/metadata/map-i/2789/metadata.faq.html
Description The surficial geologic map of the Eastern and Central United States depicts the areal distribution of surficial geologic deposits and other materials that accumulated or formed during the past 2+ million years, the period that includes all activities of t
Originators Fullerton, David S.; Bush, Charles A.; and Pennell, Jean N.

Related topics

States or counties

Overview of attributes

>Attribute items are in ARC/INFO feature class format.  Additional
>items that were added to the data are:
>
>POLYGON
>
>attribute        description
>=========	===========
>acc_val	      Acceleration value in percent of gravity of the
>                 polygon.  The polygon represents the range of
>                 acceleration values that are contained within its
>                 borders.  The polygon is assigned the lowest value
>                 allowed within the polygon's borders.  The range of
>                 values allowed within a polygon is controlled by the
>                 contours.  Valid values are:  0,2,4,6,8,10,12,14,16,
>                 18,20,30,40,50,60,80,120,160,200
>
>valley		A topological indicator that tells whether the area
>                 contained within the polygon is a local minima (valley)
>                 or not.  A value of "1" indicates the area is a local
>                 minima.
>LINE
>
>attribute 	description
>=========	===========
>acc_val	      Acceleration value in percent of gravity that the
>                 contour represents.  Valid values are:  0,2,4,6,8,10,12,
>                 14,16,18,20,30,40,50,60,80,120,160,200
>
>valley		A topological indicator that tells whether the area
>                 contained within the contour is a local minima (valley)
>                 or not.  A value of "1" indicates the area is a local
>                 minima.

none