Locations

SiteCountyStateRHI5RHI10RGI5RGI10Last measurement
Old Sauk River TrailSnohomishWashington201.86-14.16-07/05/2022
Old Maids WoodsSchenectadyNew York119.52110.208.646.4609/26/2015
Oklahoma Single Tree SitesOklahomaOklahoma----09/29/2016
Oil Creek State ParkVenangoPennsylvania103.3885.2210.095.7601/30/2008
Ohiopyle SPFayettePennsylvania137.20132.1010.198.6411/11/2011
Ohio's Record Pin OakCuyahogaOhio----03/18/2006
Ohio Single Tree SitesFranklinOhio121.74110.1120.5217.6301/01/2000
Ohio Champion White OakMahoningOhio----01/03/2010
Ohio (Addendum)HamiltonOhio----02/27/2014
OhanapecoshLewisWashington----11/19/2013
Odell LakeKlamathOregon----07/14/2024
Ocmulgee FlatsBleckleyGeorgia137.90133.2912.6711.2601/14/2006
Ocala National ForestMarionFlorida----07/26/2018
Oaxaca Single Tree SitesOaxacaOaxaca96.38-10.13-01/01/2000
Oaky Woods Wildlife Management AreaHoustonGeorgia----12/02/2006
Oakwood Cemetery - East AuroraErieNew York----12/31/2015
Oakwood CemeteryOnondagaNew York93.7684.468.625.3011/15/2020
OakwoodWoodWest Virginia104.9694.1811.939.9511/23/2022
Oak Wood Cemetery-ChittenangoMadisonNew York96.20-10.43-02/21/2016
Oak Openings PreserveLucasOhio----08/11/2013
Oak IslandBrunswickNorth Carolina0.00-5.55-09/15/2005
Oak Grove CemeteryWashingtonOhio95.3488.6511.7510.7904/01/2014
Oak Creek Wildlife AreaYakimaWashington----07/07/2022
Oak Creek CanyonCoconinoArizona125.28103.1711.069.2006/02/2015
O'neill MetroparksSummitOhio----02/13/2018
O 'Neill WoodsSummitOhio133.28121.657.823.9110/28/2011
NY Rt. 28NEssexNew York----07/11/2015
Nursery BottomTuckerWest Virginia83.96-10.38-07/24/2023
Noxubee National Wildlife ReserveNoxubeeMississippi145.14141.1717.5315.5104/05/2019
Noxon Rapids ReservoirSandersMontana145.14-7.29-06/13/2023
NorthwoodsWorcesterMassachusetts----05/03/2016
North Syracuse CemeteryOnondagaNew York105.80-5.63-12/28/2015
North Prong Sumac CreekMurrayGeorgia133.18124.888.857.7311/27/2003
North Park Latadami Nature CenterAlleghenyPennsylvania116.72109.8510.389.0012/17/2005
North Mount Loretto State ForestRichmondNew York115.10-10.07-09/22/2015
North Chagrin Reservation (Forest Only)LakeOhio141.96134.7014.8813.4802/20/2018
North Cascades Scenic HighwayOkanoganWashington----07/05/2022
North Carolina Single Tree SitesWakeNorth Carolina148.74128.7420.8017.7801/01/2000
Norhwoods Core Conservation Area-BoltonWorcesterMassachusetts111.96103.9511.059.3005/16/2016
Nolde ForestBerksPennsylvania----11/01/2011
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