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Open conifers, young-old growth mixed. Species Pinus ponderosa, Quercus kelloggii. (Air photo 119-20). Quad name: Smartsville. Quad number: 50.
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Conifer-hardwood type; old-young growth mixed. Pseudotsugamenziesii var.glauca (=Pseudotsuga taxifolia), Pinus ponderosa, Notholithocarpus densiflorus (=Lithocarpus densiflora), Quercus kelloggii. Assoc. spp.: Abies concolor, Calocedrusdecurrens (=Libocedrus decurrens). (Air photo 119-19). Quad name: Smartsville. Quad number: 50.
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Fifteen year-old Pinus ponderosa. 12-15 ft. high when air photo taken. Shows the lower limit of size in conifers recognizable in air photo. (Air photo 95-14). Quad name: Smartsville. Quad number: 50.
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Semidense conifers showing mainly young growth with scattered old trees. Species: Pinus ponderosa, Pseudotsugamenziesii var.glauca (=Pseudotsuga taxifolia), Abies concolor, Arbutus menziesii, Chamaebatia foliolosa. (Air photo 95-16). Quad name: Smartsville. Quad number: 50.
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Pinus ponderosa of # 3 size or age class. Apperance in air photo. (Air photo 95-16). Quad name: Smartsville. Quad number: 50.
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1 mile northwest Harris Spring. White fir reproduction topping brush. Quad name: Bartle. Quad number: 15.
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Interior of dense conifer stand, age class #1; all Pinus ponderosa, 23-25 years old. (Air photo 95-15). Quad name: Smartsville. Quad number: 50.
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White fir on north slope of High-hole Crater. Quad name: Bartle. Quad number: 15.
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Shows 3 age, or size, classes of trees recognizable on air photos. #1 is in foreground, # 2 is on left skyline, #3's on center skyline, all Ponderosa pine. (Air photo 95-7). Quad name: Smartsville. Quad number: 50.
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Timber encroaching on New Lava Flow sugar pine, western yellow pine and white fir. Note vent crater behind car. Quad name: Dorris. Quad number: 4.
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Very open conifer density. Ponderosa pine. Assoc. spp.: Quercus kelloggii in background. (Air photo 119-10). Quad name: Smartsville. Quad number: 50.
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One mile E. of Miller Ranch, above Camptonville. Dense conifers. Species : Abies concolor, Pinus ponderosa. Assoc. spp.: Calocedrusdecurrens (=Libocedrus decurrens), Pinus lambertiana. (Air photo 3-34) Quad name: Colfax. Quad number: 51.
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One-quarter mile north of Oregon Peak. Ponderosa pine, Pseudotsugamenziesii var.glauca (=Pseudotsuga taxifolia) type. Old growth. Assoc. spp.: Black oak. (air photo 119-12). Quad name: Smartsville. Quad number: 50.
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Snowden Hill ridge ( looking S from). Young-old growth conifer mixtures. Not even mosaic, but mixed by tree groups. Species: Pinus ponderosa, Pseudotsugamenziesii var.glauca (=Pseudotsuga taxifolia), Abies concolor, Quercus kelloggii, Arbutus menziesii, Notholithocarpus densiflorus (=Lithocarpus densiflora). (Air photo 3-35) Quad name: Downieville. Quad number: 38.
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1 mile W. of Anthony House. Open stand of trees. Species: Ponderosa pine, Quercus kelloggii, Pinus sabiniana. (Air photo #19-48) Quad name: Smartsville. Quad number: 50.
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Snowden Hill Ridge ( looking S. from). Young-old growth conifer mixtures. Not even mosaic, but mixed by tree groups. Species:Pinus ponderosa, Pseudotsugamenziesii var.glauca (=Pseudotsuga taxifolia), Abies concolor, Quercus kelloggii, Arbutus menziesii, Notholithocarpus densiflorus (=Lithocarpus densiflora). (Air photo 3-35) Quad name: Downieville. Quad number: 38.
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1.5 miles NW of Indian Springs. Semidense shrubs (Quercus wislizeni var. frutescens) Deforested land. Assoc. spp.: Ponderosa pine, Frangula californica (=Rhamnus californica). (Air photo 19-50). Quad name: Smartsville. Quad number: 50.
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Three miles WNW of Camptonville. Conifer-hardwood mixed type. Conifers are semidense, mostly young growth with a scattering of old trees. Species: Pseudotsugamenziesii var.glauca (=Pseudotsuga taxifolia), Pinus ponderosa, Quercus kelloggii, Arbutus menziesii. Assoc. spp.: Pinus lambertiana, Abies concolor, Notholithocarpus densiflorus (=Lithocarpus densiflora). (Air photo 119-58). Quad name: Smartsville. Quad number: 50.
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Three-quarters mile W. of Nevada City. Hardwood-conifer mixture dense trees; Conifers, open density and all young growth. Species; Quercus kelloggii, Pinus ponderosa, Pseudotsugamenziesii var.glauca (=Pseudotsuga taxifolia), all young growth. Nevada County. Quad name: Smartsville. Quad number: 50.
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Looking south toward Double Mountain. Upper north slope in background, western yellow pine-White fir type with a zone of Quercus garryana var. semota brush below. Foreground open woodland of Douglas and valley oak. Quad name: Caliente. Quad number: 136. Reference to map: 21.
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Three-quarters mile W. of Nevada City. Hardwood-conifer mixture dense trees; Conifers, open density and all young growth. Species; Quercus kelloggii, Pinus ponderosa, Pseudotsugamenziesii var.glauca (=Pseudotsuga taxifolia), all young growth. Nevada County. Quad name: Smartsville. Quad number: 50.
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Northeast slope selectively logged by small sawmill. Trees left chiefly Douglas fir, White fir and Incense cedar, with some cull Ponderosa pine; Black oak present also Ceanothus integerrimus and Chamaebatia foliolosa. Quad name: Placerville. Quad number: 56. Reference to map: 40.
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"Snowden Hill Ridge. Silhouette of mature ponderosa pine. Ponderosa pine =56"" dbh in foreground. Sierra County. (Air photo 3-34) Quad name: Downieville. Quad number: 38. "
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Same locality as #265655 but southerly slope. Selectively logged Ponderosa pine, White fir, Incense cedar type. Ceanothus integerrimus and Chamaebatia foliolosa present. Quad name: Placerville. Quad number: 56. Reference to map: 41.