Maps. Plan of Eklutna Lake, Alaska, damsite, topography by Arthur Johnson and L. T. Cook, surveyed in 1947. Scale 1 m.=5.3 in. scale 1:12,000, or scale 1 m.= 13.2 in., scale 1:4,800, contour interval on land 10 ft., on water surface 5 ft, n. p.