Complex sentence: Organizing a network of geologists, she was able to obtain the natural mineral and clay pigments with which historical Russian icons were made, enabling her to avoid the state-run art-supply stores which required membership in the USSR Union of Artists.
Split into simpler sentences: Organizing a network of geologists, she was able to obtain the natural mineral and clay pigments with which historical Russian icons were made. This also enabled her to avoid the state-run art-supply stores which required membership in the USSR Union of Artists.