"I built this waterfall and fish pond in my back yard with the help of a friend," writes Bob Cummings.
"The pond is lined with plastic overlain by concrete inset with river-run cobbles, and is lighted at night. The waterfall layering was inspired by the stratigraphy in the Grand Canyon — igneous rock at the bottom representing the inner gorge with layers of flagstone representing the sandstone and shale units above, and limestone representing the Redwall and Kaibab formations. The flagstone along the front edge is ripple-marked, evidence of ancient water flow when the flagstone was a muddy floodplain.
"The water is potable and supports various fish species, snails and other aquatic life. The pond is visited frequently by many species of birds, lizards, and even squirrels. The waterfall is powered by a 1-inch pump that is hidden behind a fake rock in an alcove, and discharges at three locations that are adjustable to provide either a concentrated or dispersed cascade. The inlet float is also hidden beneath a detachable fake rock at left."