Abstract: This invention relates to an automatic or self plumbing device and method for maintaining survey or data collection or reflection equipment in a vertical plumb position despite horizontal and/or vertical changes of position of the device or vehicle with the device attached thereto. The invention also provides a means for maintaining survey or data collection or reflection equipment in a vertical plumb position and at a constant height above ground or surface to be surveyed. The invention provides a means for mounting or attaching the device to a vehicle or other mobile prime mover and a means for remotely changing the position of the device mounted on the vehicle from within the vehicle for accurate, efficient, and timely collection of data while the device and vehicle are stationary or in motion.