Activists express disappointment, anger at collaboration Presidio The first confirmed case of a Presidio County landowner working with border wall contractors surfaced this week after more than 20 Fisher Sand & Gravel trailers were recently spotted in the Loma Paloma RV park owned by Presidio resident Terry Bishop. The sightings did not sit well with anti-border wall activists who have long considered Bishop a friend and who have called for no o…