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This report is the result of a timber inventory made in 1963. It provides one of the tools necessary for basic long range forest management planning. The inventory applies generally to the coniferous forests of the entire Reservation. It will be an aid in preliminary planning of timber sales, but it does not eliminate the need for detailed studies of specific areas to be included in any given timber sale. Certain observations and recommendations are made on page 4 of the Appendix. One of these is the need for additional topographic mapping. This has already been requested from U. S. Geological Survey. Additional analysis of access problems, log and lumber grade data, etc. comprise a portion of routine forest management planning and pre-timber sale preparation. The preface includes the determination of gross board feet volumes for the 10-inch DBH class for all species and summarizes gross board feet volumes.