Lewis Evans (surveyor) - AbsoluteAstronomy.com

Lewis Evans was a Welsh

Wales

Wales is a country that is part of the United Kingdom and the island of Great Britain, bordered by England to its east and the Atlantic Ocean and Irish Sea to its west. It has a population of three million, and a total area of 20,779 km²...

surveyor and geographer

Geographer

A geographer is a scholar whose area of study is geography, the study of Earth's natural environment and human society.Although geographers are historically known as people who make maps, map making is actually the field of study of cartography, a subset of geography...

, working principally in British America

British America

For American people of British descent, see British American.British America is the anachronistic term used to refer to the territories under the control of the Crown or Parliament in present day North America , Central America, the Caribbean, and Guyana...

.

Lewis Evans was born in Caernarfonshire

Caernarfonshire

Caernarfonshire , historically spelled as Caernarvonshire or Carnarvonshire in English during its existence, was one of the thirteen historic counties, a vice-county and a former administrative county of Wales....

, Wales

Wales

. He travelled to the British colonies in North America

North America

North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...

and produced the following maps:

A Map of Pennsylvania
Pennsylvania
The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...

, New Jersey
New Jersey
New Jersey is a state in the Northeastern and Middle Atlantic regions of the United States. , its population was 8,791,894. It is bordered on the north and east by the state of New York, on the southeast and south by the Atlantic Ocean, on the west by Pennsylvania and on the southwest by Delaware...

, New York
New York
New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...

, and the Three Delaware
Delaware
Delaware is a U.S. state located on the Atlantic Coast in the Mid-Atlantic region of the United States. It is bordered to the south and west by Maryland, and to the north by Pennsylvania...

Counties (1749, revised 1752) See Image
A General Map of the Middle British Colonies in America (1755)

The latter map, whose creation was inspired and supported by British colonial observer Thomas Pownall

Thomas Pownall

Thomas Pownall was a British politician and colonial official. He was governor of the Province of Massachusetts Bay from 1758 to 1760, and afterward served in the British Parliament. He traveled widely in the North American colonies prior to the American Revolutionary War, and opposed...

, was used by General Edward Braddock

Edward Braddock

General Edward Braddock was a British soldier and commander-in-chief for the 13 colonies during the actions at the start of the French and Indian War...

during the French and Indian War

French and Indian War

The French and Indian War is the common American name for the war between Great Britain and France in North America from 1754 to 1763. In 1756, the war erupted into the world-wide conflict known as the Seven Years' War and thus came to be regarded as the North American theater of that war...