2 resultados para forest plantations

em University of Michigan


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"In cooperation with Dept. of Agriculture and Conservation, State of Hawaii."

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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.