Robert O. Curtis

• A method of estimation of gross yield of Douglas-fir
• Comparative site indices for northern hardwoods in the Green Mountains of Vermont
• Extended rotations and culmination age of coast Douglas-fir
• Height growth and site index curves for western white pine in the Cascade Range of Washington and Oregon
• Levels-of-growing-stock cooperative study in Douglas-fir
• Some simulation estimates of mean annual increment of Douglas-fir
• Volume and taper tables for red alder
• A comparison of site curves for Douglas-fir
• A comparison of site curves for Douglas-fir
• A formula for the Douglas-fir total cubic-foot volume table from bulletin 201
• A new stand simulator for coast Douglas-fir: DFSIM user's guide
• A simple index of stand density for Douglas-fir