Blacklock has published fourteen books of photos , including several co-authored with Nadine , one of which , 1995 's The Duluth Portfolio , won the Northeastern Minnesota Book Award .
His father , Les , and late first wife , Nadine , were also successful nature photographers .
Blacklock has published fourteen books of photos , including several co-authored with Nadine , one of which , 1995 's The Duluth Portfolio , won the Northeastern Minnesota Book Award .
His father , Les , and late first wife , Nadine , were also successful nature photographers .