- Relationship of species and site index to habitat in the White Mountains of New Hampshire (Forest Service research paper NE) by William B Leak, 1978
- Height growth and site index estimates for noble fir in high elevation forests of the Oregon-Washington Cascades (USDA Forest Service research paper PNW) by Francis R Herman, 1978
- Computation of Southern pine site index using a TI-59 calculator (General technical report SO) by Richard W Guldin, 1983
- Estimating site index in even-aged northern hardwood stands (Research note NC) by Gayne G Erdmann, 1982
- Preliminary, polymorphic site index curves for western redcedar, Thuja plicata Donn, in coastal British Columbia (Forest research note) by J. F Kurucz, 1978
- Predicting site index in young black walnut plantations (Research note NC) by Craig K Losche, 1975
- Site index curves for aspen in the central Rocky Mountains (Research note RM) by Carleton B Edminster, 1985
- Site-index comparisons for tree species in northern Minnesota (USDA Forest Service research paper NC) by Willard Handy Carmean, 1971
- A comparison of site index curves for northern hardwood species (USDA Forest Service research paper NC) by Willard Handy Carmean, 1979
- Site index and maximum gross yield capability equations for ponderosa pine in the Black Hills (USDA Forest Service research note INT) by David W Hann, 1975
- Site index prediction tables for oak in northwestern West Virginia (Forest Service research paper NE) by Neil I Lamson, 1980
- Site index curves for grand fir in the Inland Empire (Research note/Intermountain Forest & Range Experiment Station, Ogden, Utah) by Albert R Stage, 1959
- Some soil phases in the Missouri Ozarks have similar site indexes for oaks (USDA Forest Service research paper NC) by Richard F Watt, 1973
- Loblolly pine site index prediction for site-prepared plantations in the Piedmont (Technical report) by Robert L Bailey, 1984
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