Shell money most valued by the Native American tribes of the Pacific Coast from Alaska to northwest California was "Dentalium shell", a species of long narrow marine shelled mollusk, a tusk shell or scaphopod. The tusk shell is naturally open at both ends, and can easily be strung on a thread. This shell money was valued by its length rather than the exact number of shells; the "ligua", the highest denomination in their currency, was a length of about 6 inches. Farther south, in central California and southern California, the shell of the olive snail "Olivella biplicata" was used to make beads
Wampum, Pennsylvania informal union with Wampum Public Schools but never fully merged with Wampum, children in New Beaver have attended Big Beaver's successor Mohawk Area School District since Ellwood City absorbed Wampum Public Schools. Wampum, Pennsylvania Wampum is a borough in Lawrence County, Pennsylvania, United States. The population was 717 at the 2010 census. Wampum is located at (40.888657, -80.339650). According to the United States Census Bureau, the borough has a total area of , of which is land and , or 4.17%, is water. As of the census of 2000, there were 678 people, 290 households, and 182 families residing in