New Mexico · Borders · Map guides
What State Is NM? New Mexico Map and Geography
New Mexico is a US state, not another name for the country of Mexico. Its location combines an international border, a four-state corner and landscapes that range from…
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Explore boundaries, border arrangements and geographic connections.
New Mexico · Borders · Map guides
New Mexico is a US state, not another name for the country of Mexico. Its location combines an international border, a four-state corner and landscapes that range from…
Colorado · Borders · Map guides
Colorado is often pictured as a wall of snowy peaks, but that image leaves out its eastern plains and western plateaus. The postal code is a short answer;…
United States · Borders · Map guides
A regional label is useful only when its definition is clear. This reference uses the Census Bureau’s statistical framework, rather than mixing it with climate zones, cultural regions…
United States · Borders · Map guides
Use the labeled map to locate a state, the alphabetical table to identify its capital, or the blank PDF for a geography exercise. Two-letter codes keep the national…
Missouri · Borders · Map guides
A two-letter address code can identify a state without explaining where it is. Missouri is easiest to place by its neighbors and the two major rivers that shape…
Borders · Map guides
A choropleth map fills geographic areas with colors or shades linked to a numerical value, commonly a rate, percentage or density. The shading summarizes each area rather than…
Borders · Explainers
Time zone borders are not straight because governments choose civil time for communities, transport and administration rather than assign a new clock time at every meridian. The ideal…
Borders · Comparisons
An enclave is a territory completely surrounded by one other territory. An exclave is a part of a state separated from that state’s main territory by foreign territory.…
Borders · Explainers
Tectonic plates include crust and rigid mantle. Compare three boundary types, understand subduction and collision, and see what drives and measures plate motion.
Borders · Map guides
Abkhazia is often introduced through its disputed status or the 1992–1993 war, but that makes the place itself disappear. Between the Black Sea and the Greater Caucasus, its…
Borders · Explainers
The expected answer is a number, but the Middle East is a named region rather than a continent or a treaty-based bloc. Its edges shift among atlases, statistical…
Borders · Place guides
The Strait of Hormuz is one of those places that turns up whenever oil prices jump or military tension rises in the Gulf. The reason is straightforward: it…