History and Goals of Metria, the Metropolitan Tree Improvement Alliance

Literature Cited

1. 1.↵
   1. Gerhold, H.D.,
   2. A.J. Long,
   3. M.E. Demeritt, Jr.

   . 1975. Genetic information needed for metropolitan trees. J. For. 73(3): 150-153.

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2. 2.↵
   1. Gerhold, H.D.,
   2. W.D. Bartoe II.

   . 1976. Performance testing tree cultivars in metropolitan environments. J. Arbor. 2(12): 221-227.

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3. 3.↵
   1. Gerhold, H.D.,
   2. K.C. Steiner

   . 1976. Selection practices of municipal arborists. In “Better Trees for Metropolitan Landscapes,” USDA Forest Service Gen. Tech. Rpt. NE-22: 159-166.
4. 4.↵
   1. Long, A.J.,
   2. H.D. Gerhold,
   3. M.E. Demeritt, Jr.

   . 1973. Metro-politan tree planters survey: initial results. Penna. State U. Sch. Forest Resources. Res. Pap. 41, 13 pp.

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5. 5.↵
   1. Santamour, F.S. Jr..,
   2. H.D. Gerhold,
   3. S. Little, Eds

   . 1976. Better trees for metropolitan landscapes. USDA Forest Service Gen. Tech. Rpt. NE-22, 256 pp.