Table 1. Study areas and geologic setting 									

Study Area		Type of                      Geologic Deposit	Average VS30 (m/s)	Location	Geologic Map Reference	No. of CPT			
1		Alluvial fan	297	"Greater Oakland, CA"	Witter and others (2006)	85			
2	a	Alluvial fan	260	"Santa Clara Valley, CA"	Witter and others (2006)	98			
	b	"Alluvial fan, young levee"	230			25			
3	a	Beach ridge (Holocene)	232	"Greater Charleston, SC"	Weems and others (unpub. data)	30			
	b	Beach ridge (Pleistocene)	271			70			
4		Beach ridge	239	"Upper Peninsula, MI"	(aerial photos)	32			
5	a	"Delta, topset beds"	222	"Sheyenne River, Richland County, ND"	Baker (1966)	32			
	b	"Delta, foreset beds"	146			19			
6		"Dunes, eolian"	260	"Indiana Dunes National Lakeshore, IN"	Thompson (1990)	25			
7	a	Floodplain (floodbasin)	232	"Evansville,  IN"	Fraser and Fishbaugh (1986); Moore and others (2009)	25			
	b	Floodplain (natural levee) 	236			13			
8	a	Floodplain (point bar)	217	"Mississippi River, AR, MO, and MS"	Saucier (1994b)	90			
	b	Floodplain (abandoned channel)	197			40			
	c	Floodplain (floodbasin)	201			20				
9		Floodplain (point bar)	234	"Ouachita River, AR"	Saucier and Smith (1986)	30				
10		Floodplain (point bar)	241	"Red River, AR"	Schultz and Krinitzsky (1950)	30				
11		Floodplain (point bar)	231	"Rio Grande, TX"	Brown et al. (1980)	32				
12		Floodplain (point bar)	237	"Wolf River, TN"	"Broughton (1999); Cox (2004); Van Arsdale (2004a, b)"	23				
13		Lacustrine	199	"Richland County, ND"	Baker (1966)	25				
14		Lagoonal	190	"Brazoria and Matagorda Counties, TX"	Fisher and others (1972); McGowen and others (1976)	30				
15		Sandy artificial fill	197	"Greater Oakland, CA"	Witter and others (2006)	81				
16		"Valley train, Pvl1"	216	"Mississippi Valley, AR and MO"	Saucier (1994b)	37				
		"Valley train, Pvl2"	237			35