Jan 1997 (Tucson + field-surveying in Arizona) February 1997 (Arizona + back + forth across the border into Mexico) March 1997 (Vegas, Socal + Arizona + back + forth into Mexico)
Jan 1997 (Tucson + field-surveying in Arizona)
February 1997 (Arizona + back + forth across the border into Mexico)
March 1997 (Vegas, Socal + Arizona + back + forth into Mexico)