Freight trains thru the San Pedro Valley...
Freight cars moving thru the San Pedro Valley toward he Dragoon Mountains East of Benson Benson, Arizona has been home base since December, 2010. More specifically the RV park named SKP Sagauaro Co-op on the Southeast side of town. The San Pedro Valley - and the San Pedro River that gives it it's name - runs from Mexico to a location just East of Saguaro National Park. It is perhaps 135 miles from the border to its terminus to the north of Benson. The San Pedro River runs thru the valley and is kind of special: it's the only North-flowing river in the US originating in Mexico. Not a lot going on here other than winter RV tourists... that's when the local population swells from 5,000 to about 10,000. There are ranches and small farms in the valley; they make gun powder and explosives just to the South of Benson at Apache Powder; there's some mining; significantly there is Fort Huachuca to the Southwest in Sierra Vista; and there's the railroad. Southeast of Benso...