A.D.
Anno Domini

A.M.
Ante Meridiem

A.P.
Assessed Property

B.C.
Before Christ

C.O.
Certificate of Occupancy

C.E.
Common Era

D.O.
Designated Operator

E.U.
European Union

E.W.
East-West

GIS
Geographic Information System

GNP
Gross National Product

GPS
Global Positioning System

HUC
Hydrologic Unit Code

I.G.
Inspector General

ISO
International Organization for Standardization

L.A.
Land Area

L.L.C.
Limited Liability Company

M.A.
Master of Arts

M.S.
Master of Science

N.A.
North America

N.E.
Northeast

N.W.
Northwest

O.S.
Ordnance Survey

P.M.
Post Meridiem

S.A.
South America

S.E.
Southeast

S.W.
Southwest

U.N.
United Nations

U.S.
United States

V.R.
Virtual Reality