Gerbig, Bruce H.Ulliman, Joseph J.Sucoff, Edward I.2010-02-222010-02-221972-10-15Gerbig, B.H., Ulliman, J.J. and Sucoff, E.I., (1972), "Aerial Photo Detection of Highway-Associated Damage to Red Pine", Minnesota Forestry Research Notes 239, School of Forestry, University of Minnesota0544-3555https://hdl.handle.net/11299/58287Published as Scientific Journal Paper Series No. 8113 of the Minnesota Agricultural Experiment Station.en-USforests and forestryMinnesotaresearchReport