Meyer, M.P.Eng, R.L.Martinka, R.R.2010-02-162010-02-161970-01-15Meyer, M.P., Eng, R.L. and Martinka, R.R., (1970), "Aerial Photographic Determination of Animal Movement Surface Area in Steep Terrain", Minnesota Forestry Research Notes 212, School of Forestry, University of Minnesota0544-3555https://hdl.handle.net/11299/57951Published as Scientific Journal Paper Series No. 7079 of the Minnesota Agricultural Experiment Station.en-USforests and forestryMinnesotaresearchReport