Title from maps.; "Under the superintendence until 1877 of Dr. Persifor Frazer."; "J. P. Lesley, state geologist."; Assistant topographers: George M. Lehman and James L. Maull.; "Sheets A1., A2; B1 and B2., have been published in Octavo Atlas D5."; Relief shown by contours. 23 centimeters Scale 1:19,200 General Map Collection