USGS CMG InfoBank Atlas: Midwest, US Chirp

Legend:
CAN	Canada
EC	East Coast US
GLEZ	Great Lakes EEZ    [no Chirp data]
GR	Great Lakes    [no Chirp data]
MI	Michigan    [no Chirp data]
WI	Wisconsin    [no Chirp data]
OH	Ohio    [no Chirp data]
IN	Indiana    [no Chirp data]
IL	Illinois    [no Chirp data]
WV	West Virginia
KY	Kentucky
TN	Tennessee
AR	Arkansas
MO	Missouri    [no Chirp data]
IA	Iowa    [no Chirp data]
LM	Lake Michigan    [no Chirp data]
LH	Lake Huron    [no Chirp data]
LE	Lake Erie    [no Chirp data]
LS	Lake Superior    [no Chirp data]
ND	North Dakota    [no Chirp data]
SD	South Dakota    [no Chirp data]
NE	Nebraska    [no Chirp data]
KS	Kansas    [no Chirp data]
OK	Oklahoma
TX	Texas
NM	New Mexico    [no Chirp data]
CO	Colorado    [no Chirp data]
MN	Minnesota    [no Chirp data]
MWE	Midwest US, Eastern Section
MWW	Midwest US, Western Section    [no Chirp data]
SUS	Southern US
WES	Western US