These photos explore the abstraction patterns and the invisible made visible. Some photos are abstractions as perceived through the lens, while others show natural or human-made objects that depict the invisible. And, some photos are both abstractions and views of the visibly invisible.
Gila Rivers, New Mexico 
Gila River, New Mexico 
Learning & the Wind, Georgia 
Footprint in the Sand, Montauk, New York 
Wind & Water, Montauk, New York 
Wind & Footprints, Montauk, New York 
Water & Sand, Montauk, New York 
Grasses , Sand, & Water, Montauk, New York 
Wind & Water, Montauk, New York 
Summer Morning Arrows of Wind, Brooklyn, New York 
Petroglyphs, Arizona 
Grand Canyon Dusk 
Wall, Wutpatki National Monument, Arizona 
Arrow of Wind