The construction of Lake Worth began in November of 1911. The lake was originally called "Lake Minnetonka" but changed to Lake Worth a year later in 1915. It involved deepening and widening the Trinity River, including the building of a dam. The creation of this lake was primarily done by hand or mule power. A few primitive steam shovels and tractors did what the mules could not. Excavating was performed by pulling a Frisno behind a team of horses or mules. The Frisno was a cross between a plow