STATE/PROVINCE abbreviation key:

United States:
AL Alabama ME Maine OR Oregon
AK Alaska MD Maryland PA Pennsylvania
AZ Arizona MA Massachusetts RI Rhode Island
AR Arkansas MI Michigan SC South Carolina
CA California MN Minnesota SD South Dakota
CO Colorado MS Mississippi TN Tennessee
CT Connecticut MO Missouri UT Utah
DE Delaware MT Montana VT Vermont
FL Florida NE Nebraska VA Virginia
GA Georgia NV Nevada WA Washington
HI Hawaii NH New Hampshire WV West Virginia
ID Idaho NJ New Jersey WI Wisconsin
IL Illinois NM New Mexico WY Wyoming
IN Indiana NY New York DC District of Columbia
IA Iowa NC North Carolina PR Puerto Rico
KS Kansas ND North Dakota VI Virgin Islands
KY Kentucky OH Ohio    
LA Louisiana OK Oklahoma    


Canada:
AB Alberta NT Northwest Territories QC or PQ Quebec
BC British Columbia NS Nova Scotia SK Saskatchewan
MB Manitoba NU Nunavut YT Yukon
NB New Brunswick ON Ontario    
NL Newfoundland & Labrador PE Prince Edward Island    


Mexico:
Ags Aguas-calientes Gro Guerrero SLP San Luis Potosi
BCN Baja California Norte Hgo Hidalgo Sin Sinaloa
BCS Baja California Sur Jal Jalisco Son Sonora
Camp Campeche Mich Michoacán Tab Tabasco
Chis Chiapas Mor Morelos Tamps Tamaulipas
Chih Chihuahua Nay Nayarit Tlax Tlaxcala
Coah Coahuila NL Nuevo León Ver Veracruz
Col Colima Oax Oaxaca Yuc Yucatán
Dgo Durango Pue Puebla Zac Zacatecas
Edo Méx Edo. De México Qro Querétaro DF Distrito Federal
Gto Guanajuato QR Quintana Roo    

FEIS Home Page
https://www.fs.usda.gov/database/feis/AboutFEIS/StatesProvincesKey.html