He searched the headwaters of every feeder stream and in 1885 located the source 10 miles up Allabaugh Creek at the base of the Castle Mountains.
“Lafe” Hensley, a longtime prospector from Adair, Mo., found silver-carbonated iron ore on the banks of the Musselshell River. Two years later Barnes got around to recording his remote discoveries, later to become the Princess and Maverick mines. Barnes found outcrops of silver and lead while roaming the southern flank of the Castle Mountains in Meagher County, Montana Territory.
