Shows interior Alaska from Cantwell Glacier south to confluence of Tonsina and Copper Rivers. Relief shown by contours and spot heights. "Topography by T.G. Gerdine and W.C. Mendenhall." "Professional Paper No. 41, Plate XIX."
Shows Cantwell Glacier south to Tonsina River. Includes legend. Relief shown by contours and spot heights. "Topography by T.G. Gerdine and W.C. Mendenhall." "T.G. Gerdine, Topographer in charge." "Professional Paper No. 41, Plate IV." ...
Relief shown by contours. "Topography by C. E. Griffin, D. L. Reaburn, D. C. Witherspoon, H. M. Eakin, C. E. Hill and T. G. Gerdine." "Surveyed in 1899, 1901, 1903, 1910, and 1911." U.S. Geological Survey Bulletin 536, Plate 1. 57 x 112...
Relief shown by contours and spot heights. "Topography by D.C. Witherspoon with additional areas from maps my T.G. Gerdine and W.S. Peters." "Professional Paper No. 41, Plate XX."
Published in [Washington, D.C.] by the Geological Survey...
Upper right margin: U.S.G.S. Bulletin no. 251. pl. XVI. "Topography by T.G. Gerdine & R.B. Oliver." "Based on route surveys, Eagle to Fairbanks via Fortymile and Goodpaster Rivers, Fairbanks to Circle, and... from maps of U.S. Geological...