The latitude and longitude of Lake Titicaca is 15.7500-degrees south, 69.4167-degrees west. Lake Titicaca is located in the Andes on the border of Peru and Bolivia.
Since you did not specify the direction of longitude, the country located at 20 degrees south latitude and 140 degrees east longitude is Australia, while the country located at 20 degrees south latitude and 140 degrees west longitude is France. The location is French Polynesia, which is a French territory.
Those coordinates are in the northern part of Lake Michigan.
Lake Chad
Your coordinates of 10N 73W are in the mountains along the border between Venezuela and Columbia. There are no notable lakes in the vicinity. Lake Maracaibo is about 65 miles east of the border.
There are many lakes such as Lake Winnipeg, Aberdeen Lake, Dubawnt Lake, Nueltin Lake, Southern Indian Lake and Lake Winnipegosis all located just east of the 100 degrees west longitude line.
Lake Victoria
Lake Neuchâtel, Switzerland.
Southmere Lake
The latitude and longitude of Lake Titicaca is 15.7500-degrees south, 69.4167-degrees west. Lake Titicaca is located in the Andes on the border of Peru and Bolivia.
Caspian Sea
The intersection of 15° north latitude and 15° east longitude is north of Lake Chad in the central African nation of Chad.
Those coordinates are in the northern part of Lake Michigan, about 6 miles east of Baily's Harbor, Wisconsin,
The longitude of Utah's capital, Salt Lake City, is 111.8833 degrees W. (The latitude of Salt Lake City is 40.7500 degrees N.)
Since you did not specify the direction of longitude, the country located at 20 degrees south latitude and 140 degrees east longitude is Australia, while the country located at 20 degrees south latitude and 140 degrees west longitude is France. The location is French Polynesia, which is a French territory.
Those coordinates are in the northern part of Lake Michigan.
Great Bear Lake is at 66 degrees north latitude and 120 degrees west longitude. This lake is located in Canada.