Observatory - Portage Lake

On verso: University of Michigan News Service; Ann Arbor, Michigan

The location of the Chicago portage route of the seventeenth century;

Mode of access: Internet.

Portage /

Bibliography: p. 83-85.

Staple Bend Tunnel : Allegheny Portage Railroad National Historic Site /

Shipping list no.: 91-705-P.

The Lemon House : Allegheny Portage Railroad National Historic Site, Cresson, Pennsylvania /

Shipping list no.: 94-0345-P.

Map of the Huron River Valley from Surveys made in 1908-1909 by G. S. Williams. 5119 [Portage Lake]

[Portage Lake, 1908: Map of the Huron River Valley Scanned in two parts and combined using PhotoShop CS6 PhotoMerge command]

Portage lake smelting works

Stereograph

Huron Stamp Mill, Portage Lake

Stereograph

Members of Bryant Walker Nature Club, standing outdoors, Portage Lake, 1919 or 1920

front, left to right: Wilbur MacAlpine, W.W. Newcomb, Bryant Walker, G. Sutton, H.B. Baker, Cecil Billington, A.G. Ruthven, Norman Wood, A.W. Andrews, A. Fenton Combs; Back, left to right: F.M. Gaige, Fred McCain

Forestry publication.

No. 53. Survey of forest plantations of Ottawa, Sandusky, and Seneca Counties, Ohio.--no. 54. Survey of forest plantations of Erie and Huron Counties.--no. 55. Survey of forest plantations of Mercer, Allen, Auglaize, and Shelby Counties, Ohio.--no. 56. Survey of forest plantations of Lorain and Medina Counties.--no. 57. Survey of forest plantations of Wayne County, Ohio.-- no. 58. Survey of forest plantations of Wyandot, Hardin, Marion, Logan, Union and Champaign Co.--no. 59. Forest resources of Preble County, Ohio. no. 62. Survey of forest plantations of Crawford and Morrow Counties.--no. 63. Survey of forest plantations of Franklin and Delaware Counties.--no. 64. Survey of forest plantations of Butler, Hamilton, Warren and Clermont Counties.--no. 65. Forest resources of Wayne County, Ohio. no. 68. Forest resources of Lorain County, Ohio.--no. 69. Forest resources of Medina County, Ohio.--no. 71. Ohio forest survey. A manual of procedure.--no. 73. Fires today and poverty tomorrow.--no. 74. Laws of Ohio relating to forest fires.--no. 75. Twenty-year plan for establishing a more adequate system of state forests and forest parks in Ohio.--no. 76. Ohio's forest resources. 1944.--no. 80. Growing conifers from seed.

Natural history of New York

Each v. has also individual t.-p.