Center Left: Left to right, Bonnie Howard, Bill Heim, Charley Rey and John Schwinger.  John mans the pump while others clean a large flowstone surface of mud tracked by unauthorized visitors.

Center Right: Jason Hardinger mans a sprayer pump while Lloyd Morrison waits for a photo op.

Lower Left: Charley Rey and John Schwinger cleaning rimstone dams.

Lower Right: Large rimstone dam shows the surface after initial scrubbing with a nylon brush to loosen gritty mud (left half), and the surface after scrubbing and power spraying (right half).  Before scrubbing, the microgours were not discernible.

Photography by Roy Gold