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Published March 14, 2013, 12:00 AM

A helicopter guides a powerline

Helicopter pilot Curtis Wanberg guides a powerline into a pulley block as he threads the 4-mile-long cable from tower to tower east of Northwood, ND, as part of Minnkota's 250-mile-long Center to Grand Forks 345 kV transmission line construction project. photo by Eric Hylden/Grand Forks Herald
Read the article: For N.D. power line project, an unusual construction tool