The following article gives step by step instructions for generating a map which is downloadable to the Garmin series of GPS receivers. Much of this information is available in the help text files that come with the GPSmapper utility used to generate these custom maps. Before I proceed any further, I would like to take the opportunity to give these guys the credit that they are due.
The chocolate chip cookie was invented by Ruth Graves Wakefield c. 1938. She owned the Toll House Inn, in Whitman, Massachusetts, a very popular restaurant that featured home cooking in the 1930s. It is often incorrectly reported that the cookie was an accident, and that Wakefield expected the chocolate chunks to melt making chocolate cookies. In reality, Wakefield stated that she deliberately invented the cookie.
A black woman can invent something for the benefit of humankind - Bessie Blount Bessie Blount, was a physical therapist who worked with soldiers injured in W.W.II. Bessie Blount's war service inspired her to patent a device, in 1951, that allowed amputees to feed themselves. The electrical device allowed a tube to deliver one mouthful of food at a time to a patient in a wheelchair or in a bed whenever he or she bit down on the tube.