USGS on Twitter: "Happy Establishment Day to Pipe Springs National Monument. (#OTD 5/31/1923) Geologic map of Pipe Spring National Monument and the western Kaibab-Paiute Indian Reservation, Mohave County, Arizona (2004) #FindYourPark #Arizona
![. Regeneration in mixed conifer clearcuts in the Cascade Range and the Blue Mountains of Eastern Oregon. Clearcutting Oregon; Conifers; Forest regeneration Oregon. Total Number of Trees (Per Acre) (Per Hectare) 800 T L976 1,524 5,000 1,676 5,500 ... . Regeneration in mixed conifer clearcuts in the Cascade Range and the Blue Mountains of Eastern Oregon. Clearcutting Oregon; Conifers; Forest regeneration Oregon. Total Number of Trees (Per Acre) (Per Hectare) 800 T L976 1,524 5,000 1,676 5,500 ...](https://l450v.alamy.com/450v/rfcmc7/regeneration-in-mixed-conifer-clearcuts-in-the-cascade-range-and-the-blue-mountains-of-eastern-oregon-clearcutting-oregon-conifers-forest-regeneration-oregon-total-number-of-trees-per-acre-per-hectare-800-t-l976-1524-5000-1676-5500-1829-meters-6000-feet-elevation-figure-3-in-the-eastern-cascades-estab-lishment-of-planted-ponderosa-pine-de-creased-as-elevation-increased-a-in-stocked-milacres-b-in-number-of-trees-per-acre-700-1729-600-1482-500-400-300-200-100-247-number-of-trees-per-acre-=-237341-0-39572-elevation-in-feet-r2-=-072quot-1676-5500-18-rfcmc7.jpg)
. Regeneration in mixed conifer clearcuts in the Cascade Range and the Blue Mountains of Eastern Oregon. Clearcutting Oregon; Conifers; Forest regeneration Oregon. Total Number of Trees (Per Acre) (Per Hectare) 800 T L976 1,524 5,000 1,676 5,500 ...
![. Regeneration in mixed conifer clearcuts in the Cascade Range and the Blue Mountains of Eastern Oregon. Clearcutting Oregon; Conifers; Forest regeneration Oregon. w U CO â o CD o o CO c o 03 LL Percent Stocked Milacres = 194.74 â 0.03216 ... . Regeneration in mixed conifer clearcuts in the Cascade Range and the Blue Mountains of Eastern Oregon. Clearcutting Oregon; Conifers; Forest regeneration Oregon. w U CO â o CD o o CO c o 03 LL Percent Stocked Milacres = 194.74 â 0.03216 ...](https://l450v.alamy.com/450v/rfcmcc/regeneration-in-mixed-conifer-clearcuts-in-the-cascade-range-and-the-blue-mountains-of-eastern-oregon-clearcutting-oregon-conifers-forest-regeneration-oregon-w-u-co-o-cd-o-o-co-c-o-03-ll-percent-stocked-milacres-=-19474-003216-elevation-in-feet-r2-=-067quot-syx-=-ll5-percent-total-number-of-trees-per-acre-per-hectare-800-t-l976-1524-5000-1676-5500-1829-meters-6000-feet-elevation-figure-3-in-the-eastern-cascades-estab-lishment-of-planted-ponderosa-pine-de-creased-as-elevation-increased-a-in-stocked-milacres-b-in-number-of-trees-per-acre-700-1729-600-rfcmcc.jpg)
. Regeneration in mixed conifer clearcuts in the Cascade Range and the Blue Mountains of Eastern Oregon. Clearcutting Oregon; Conifers; Forest regeneration Oregon. w U CO â o CD o o CO c o 03 LL Percent Stocked Milacres = 194.74 â 0.03216 ...
![Historic Vids on Twitter: "Workers for the Calumet and Hecla Mining Company in Michigan prepare for the long ride down into the copper mines to work, 1906. It was the deepest mine Historic Vids on Twitter: "Workers for the Calumet and Hecla Mining Company in Michigan prepare for the long ride down into the copper mines to work, 1906. It was the deepest mine](https://pbs.twimg.com/media/FnQ92ZbX0Bo06lm.jpg:large)