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James F. Fowler and Carolyn Hull Sieg. 2011. Density and Elevational Distribution of the San Francisco
Peaks Ragwort, Packera franciscana (Asteraceae), a Threatened
Single-Mountain Endemic. Madrono, 57(4):213-219.
full text PDF (0.974 MB)
Suzanne M. Owen, Carolyn Hull Sieg, and Catherine A. Gehring. 2011. Rehabilitating Downy Brome (Bromus tectorum)-Invaded Shrublands Using
Imazapic and Seeding with Native Shrubs. Invasive Plant Science and Management, 4(2):223-233.
full text PDF (271 KB)
Sara E. Jenkins, Carolyn Hull Sieg, Diana E. Anderson,
Darrell S. Kaufman, and Philip A. Pearthree. 2011. Late Holocene geomorphic record of fire in ponderosa pine
and mixed-conifer forests, Kendrick Mountain, northern Arizona, USA. International Journal of Wildland Fire, 20, 125-141.
full text PDF (61 KB)
Daniel C. Laughlin, Jessica J. Leppert, Margaret M. Moore and Carolyn Hull Sieg. 2010. A multi-trait test of the leaf-height-seed plant strategy
scheme with 133 species from a pine forest flora. Functional Ecology 2010, 24, 493-501
full text PDF (291 KB)
Catherine A. Scudieri, Carolyn Hull Sieg, Sally M. Haase, Andrea E. Thode, Stephen S. Sackett. 2010. Understory vegetation response after 30 years of interval prescribed burning in
two ponderosa pine sites in northern Arizona, USA. Forest Ecology and Management 260 (2010) 2134–2142.
full text PDF (502 KB)
Sieg, Carolyn Hull; Denslow, Julie S.; Huebner, Cynthia D.; Miller, James H. 2010. The role of the Forest Service in nonnative invasive plant research. In: Dix, Mary Ellen; Britton, Kerry, editors. A dynamic invasive species research vision: Opportunities and priorities 2009-29. Gen. Tech. Rep. WO-79/83. Washington, DC: U.S. Department of Agriculture, Forest Service, Research and Development. p. 35-41.
full text PDF (61 KB)
Peppin, Donna L.; Fule, Peter Z.; Lynn, Janet C.; Mottek-Lucas, Anne L.;Carolyn Hull Sieg. 2010. Market perceptions and opportunities for native plant production on the southern Colorado Plateau. Restoration Ecology. 18(S1): 113-124.
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Stella, Ken A.; Carolyn Hull Sieg; Fule, Pete Z. 2010. Minimal effectiveness of native and non-native seeding following three high-severity wildfire International Journal of Wildland Fire. 19: 583-588.
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Peppin, D.; Fule, P.J.; Sieg, C.H.; Beyers, J.L.; Hunter, M.E. 2010. Post-wildfire seeding in forests of the western United States: an evidence-based review. Forest Ecology and Management 260(5): 573-586
full text PDF (628 KB)
Shifley, S. R.; Flather, C. H.; Smith, W. B.; Riitters, K. H.; Sieg, C.H. 2010. Status and progress in large-scale assessment of biological diversity in the United States. The International Forestry Review. 12(5): 91.
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James F. Fowler; Carolyn Hull Sieg; McMillin, Joel; Allen, Kurt K.; Negron, Jose F.; Wadleigh, Linda L.; Anhold, John A.; Gibson, Ken E. 2010. Development of post-fire crown damage mortality thresholds in ponderosa pine. International Journal of Wildland Fire. 19: 583-588.
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McGlone, Christopher M.; Carolyn Hull Sieg; Kolb, Thomas E. 2010. Invasion resistance and persistence: established plants win, even with disturbance and high propagule pressure. Biological Invasions. doi 10.1007/s10530-010-9806-8.
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Britton, Kerry O.; Buford, Marilyn; Burnett, Kelly; Dix, Mary Ellen; Frankel, Susan J.; Keena, Melody; Kim, Mee-Sook; Klopfenstein, Ned B.; Ostry, Michael E.; Carolyn Hull Sieg. 2010. Invasive species overarching priorities to 2029 GTR-WO-79/83
full text PDF (71 KB)
James F. Fowler, Carolyn Hull Sieg, and Linda L. Wadleigh. 2010. Effectiveness of Litter Removal to Prevent Cambial Kill-Caused Mortality in Northern Arizona Ponderosa Pine. Forest Science 56(2) 166-171.
full text PDF (143 KB)
Owen, S.M., C.H. Sieg, C.A. Gehring and M.A. Bowker. 2009. Above- and belowground responses o tree thinning depend on the treatment of tree debris. Forest Ecology and Management 259 (2009) 71-80.
full text PDF (0.782 MB)
Sabo, K., Carolyn Hull Sieg, Stephen C. Hart, John Duff Bailey. 2009. The role of disturbance severity and canopy closure on standing crop of understory plant species in ponderosa pine stands in northern Arizona, USA.
Forest Ecology and Management 257 (2009) 1656-1662.
full text PDF (410 KB)
Fowler, J., C. Sieg, B. Dickson, and V. Saab. 2008. Exotic plant species diversity: influence of roads and prescribed fire in Arizona ponderosa pine forests.
Range Ecology and Management 61: 284-293.
full text PDF (0.617 MB)
Sabo, Kyla E., Stephen C. Hart, Carolyn Hull Sieg, and John Duff Bailey 2008. Tradeoffs in Overstory and Understory Aboveground Net Primary
Productivity in Southwestern Ponderosa Pine Stands. Forest Science 54(4): 408-416.
full text PDF (0.335 MB)
Kuenzi, Amanda M., Peter Z. Fule, and Carolyn Hull Sieg. 2008. Effects of fire severity and pre-fire stand treatment on plant community recovery after a large wildfire. Forest Ecology and Management 255: 855-865.
full text PDF (0.682 MB)
Dodge, R.S., P.Z. Fule, and C. Hull Sieg. 2008. Dalmation toadflax (Linaria dalmatica) response to wildfire in a southwestern USA forest. Ecoscience 15(2): 213-222.
full text PDF (4.774 MB)
Raphael, M.G., R. Molina, C.H. Flather, R.S. Holthausen, R.L. Johnson, B.G. Marcot, D.H. Olson, J.D. Peine, C.H. Sieg, and C.S. Swanson. 2007. A process for selection and implementation of conservation approaches. pp. 334-362 in Raphael, M.G. and Molina, R. Conservation of Rare or Little-Known Species. Island Press, Washington.
full text PDF (1.62 MB)
Marcot, B.G. and C.H. Sieg. 2007. System-level strategies for conserving rare or little-unknown species. pp. 165-186 in Raphael, M.G. and Molina, R. Conservation of Rare or Little-Known Species. Island Press, Washington.
Flather, C.H. and C.H. Sieg. 2007. Species rarity: Definition, causes, and classification. pp 40-66 in Raphael, M.G. and Molina, R. Conservation of Rare or Little-Known Species. Island Press, Washington.
full text PDF (1.59 MB)
Hoffman, C.M., R.L. Mathiasen, and C.H. Sieg. 2007. Dwarf mistletoe effects on fuel loadings in ponderosa pine forests in northern Arizona. Canadian Journal of Forest Research 37:662-670.
full text PDF (0.153 MB)
Holthausen, R.S. and C.H. Sieg. 2007. Effectiveness of alternative management strategies in meeting conservation objectives. pp. 187-235 in Raphael, M.G. and Molina, R. Conservation of Rare or Little-Known Species. Island Press, Washington.
Severson, K. E. and C. H. Sieg. 2006. Historical Ecology of Eastern North Dakota. Institute for Regional Studies, Fargo, ND. 298 pp.
Sieg, C. H., J.D. McMillan, J.F. Fowler, K.K. Allen, J.F. Negron, L.L. Wadleigh, J.A. Anhold, and K.E. Gibson. 2006. Best predictors for postfire mortality of ponderosa pine trees in the Intermountain West. Forest Science 52:718-728.
full text PDF (0.418 MB)
Wienk, C. L., C. H. Sieg, and G. R. McPherson. 2004. Evaluating the role of cutting treatments, fire, and soil seed banks in an experimental framework in ponderosa pine forests of the Black Hills, South Dakota. Forest Ecology and Management 192: 373-393.
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Fowler, J. F. and C. H. Sieg. 2004. Post-fire mortality of ponderosa pine and Douglas-fir: A review of methods to predict tree death. USDA Forest Service General Technical Report RM-GTR-132. Fort Collins, CO.
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Sieg, C. H., R. M. King, and F. Van Dyke. 2003. Exercise 13. The concept and use of elasticity in population viability models. Pages 101-108 In F. Van Dyke and contributors. A workbook of practical exercises in conservation biology. McGraw Hill, New York.
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Sieg, C. H., R. M. King, and F. Van Dyke. 2003. Exercise 14. Using stochastic models to incorporate spatial and temporal variability. Pages 109-113 In F. Van Dyke and contributors. A workbook of practical exercises in conservation biology. McGraw Hill, New York.
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Sieg, C. H., R. M. King, and F. Van Dyke. 2003. Exercise 15. Conservation and management issues and applications in population viability analysis. Pages 115-122 In F. Van Dyke and contributors. A workbook of practical exercises in conservation biology. McGraw Hill, New York.
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Sieg, C. H., B. Philips, and L. Moser. 2003. Exotic and Noxious Plants. Pages 251-267 In Frederici, P., ed. Restoration Handbook for Southwestern Ponderosa Pine Forests. Island Press, Washington, D.C.
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Sieg, C. H., R. M. King, and F. Van Dyke. 2003. Overviews and assignment answers for exercises 12, 13, 14, and 15. Pages 171 -177 In F. Van Dyke and contributors. A workbook of practical exercises in conservation biology. McGraw Hill, New York.
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Hornbeck, J. H., C. H. Sieg, and D. J. Reyher. 2003. Conservation assessment for southern maidenhair fern and stream orchid in the Black Hills National Forest, South Dakota and Wyoming. USDA Forest Service, Black Hills National Forest, Custer, SD.
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Kirby, D., R. G. Lym, J. J. Sterling, and C. H. Sieg. 2003. Observation: Leafy spurge control in western prairie fringed orchid habitat. Journal of Range Management 56: 466-473.
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Sieg, C. H., C. H. Flather, N. Barstatis, and M. S. Knowles. 2003. Criterion 1: Conservation of biological diversity. Indicator 9: Population levels of representative species from diverse habitats monitored across their range. In Darr, D., compiler. Technical document supporting the 2003 national report on sustainable forests. USDA Forest Service, Washington DC.
full text PDF (1.444 MB)
Sieg, C. H., R. M. King and F. Van Dyke. 2003. Exercise 12. Creating a stage-based deterministic PVA model - the western prairie fringed orchid. Pages 91-99 In F. Van Dyke and contributors. A workbook of practical exercises in conservation biology. McGraw Hill, New York.
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Hornbeck, J. H., C. H. Sieg, and D. J. Reyher. 2003. Conservation assessment for great-spurred violet in the Black Hills National Forest, South Dakota and Wyoming. USDA Forest Service, Black Hills National Forest, Custer, SD.
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Hornbeck, J. H., C. H. Sieg, and D. J. Reyher. 2003. Conservation assessment for bloodroot in the Black Hills National Forest, South Dakota and Wyoming. USDA Forest Service, Black Hills National Forest, Custer, SD.
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Hornbeck, J. H., C. H. Sieg, and D. J. Reyher. 2003. Conservation assessment for autumn willow in the Black Hills National Forest, South Dakota and Wyoming. USDA Forest Service, Black Hills National Forest, Custer, SD.
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Flather, C. H., T. H. Ricketts, C. H. Sieg, M. S. Knowles, and J. P. Fay. 2003. Criterion 1: Conservation of biological diversity. Indicator 7: The status (threatened, rare, vulnerable, endangered, or extinct) of forest dependent species at risk of not maintaining viable breeding populations, as determined by legislation or scientif In Darr, D., compiler. Technical document supporting the 2003 national report on sustainable forests. USDA Forest Service, Washington DC.
full text PDF (0.678 MB)
Flather, C. H., T. H. Ricketts, C. H. Sieg, M. S. Knowles, J. P. Fay, and J. McNees. 2003. Criterion 1: Conservation of biological diversity. Indicator 6: The number of forest dependent species. In Darr, D., compiler. Technical document supporting the 2003 national report on sustainable forests. USDA Forest Service, Washington DC.
full text PDF (0.662 MB)
Flather, C. H., C. H. Sieg, M. S. Knowles, and J. McNees. 2003. Criterion 1: Conservation of biological diversity. Indicator 8: The number of forest dependent species that occupy a small portion of their former range. In Darr, D., compiler. Technical document supporting the 2003 national report on sustainable forests. USDA Forest Service, Washington DC.
full text PDF (0.747 MB)
Hornbeck, J. H., C. H. Sieg, and D. J. Reyher. 2003. Conservation assessment for groundcedar and stiff clubmoss in the Black Hills National Forest, South Dakota and Wyoming. USDA Forest Service, Black Hills National Forest, Custer, SD.
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Wolken, P. M., C. H. Sieg, and S. E. Williams. 2001. Quantifying suitable habitat of the threatened western prairie fringed orchid. Journal of Range Management 54: 611-616.
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Flather, C. H., and C. H. Sieg. 2000. The applicability of Criterion 1 (Conservation of Biological Diversity) of the Montreal Process to rangeland sustainability. International Journal of Sustainable Development and World Ecology 7:81-96.
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Hof, J., C. H. Sieg, and M. Bevers. 1999. Spatial and temporal optimization in habitat placement for a threatened plant: the case of the western prairie fringed orchid. Ecological Modeling 115: 61-75.
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Sieg, C. H. and P. M. Wolken. 1999. Dynamics of a threatened orchid in flooded wetlands. North American Prairie Conference 16:193-201.
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Bunkers, M. J., L. R. Johnson, J. R. Miller, and C. H. Sieg. 1999. Old Black Hills ponderosa pines tell a story. Proceedings of the South Dakota Academy of Science 78:149-161.
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Brown, P.M. and C.H. Sieg. 1999. Historical variability in fire at the ponderosa pine - Northern Great Plains prairie ecotone, southeastern Black Hills, South Dakota. EcoScience 6(4):539-547.
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Sieg, C.H., C. H. Flather, and S. McCanny. 1999. Recent biodiversity patterns in the Great Plains: implications for restoration and management. Great Plains Research 9(2): 277-313.
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Sieg, C. H. and H. A. Wright. 1998. Synopsis: the role of prescribed burning in regenerating Quercus macrocarpa and associated woody plants in stringer woodlands in the Black Hills, South Dakota. Pages 28-29 In Schaefer, P.R., ed. Home on the range? trees and shrubs on western rangelands. Proceedings, 2nd Annual Meeting of the Plains and Prairie Forestry Association of North America. June 24-27, 1997. Rapid City, SD.
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Sieg, C. H. and R. Fletcher. 1998. Fire nourishes biological diversity in the Northern Great Plains. Forestry Research West 4/98 issue, pp. 28-32.
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Rumble, M. A., C. H. Sieg, D. W. Uresk, and J Javersak. 1998. Native woodlands and birds of South Dakota: past and present. Research Paper RM-6. Fort Collins, CO: USDA Forest Service Rocky Mountain Research Station.
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Sieg, C. H. 1997. The mysteries of a prairie orchid. Endangered Species Bulletin. 22: 12-13.
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Kirby, D. R., T. P. Hanson, and C. H. Sieg. 1997. Diets of Angora goats grazing leafy spurge (Euphorbia esula) infested rangeland. Weed Technology 11:734-738.
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Sieg, C. H. 1997. The role of fire in conserving the biological diversity on native rangelands of the Northern Great Plains. Pages 31-38 In D. W. Uresk and G. L. Schenbeck (eds). Proceedings of the symposium on Conserving Diversity of the Northern Great Plains. August 17, 1995. Fort Robison State Park, Nebraska. General Technical Report RM-298. Fort Collins, Co: USDA Forest Service Rocky Mountain Research Station.
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Gartner, R. F. and C. H. Sieg. 1996. South Dakota rangelands: more than a sea of grass. Rangelands 18(6):212-216.
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Sieg, C. H. and H. A. Wright. 1996. The role of prescribed burning in regenerating Quercus macrocarpa and associated woody plants in stringer woodlands in the Black Hills, South Dakota and Wyoming. International Journal of Wildland Fire. 6(1): 21-29.
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Brown, P. M. and C. H. Sieg. 1996. Fire history in interior ponderosa pine communities of the Black Hills, South Dakota, USA. International Journal of Wildland Fire. 6 (3): 97-105.
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Sieg, C. H., D. M. Meko, A. T. DeGaetano, and W. Ni. 1996. Dendroclimatic potential in the Northern Great Plains. Pages 295-302 In J. S. Dean, D. M. Meko, and T. W. Swetnam (eds.) Tree Rings, Environment, and Humanity. Tuscan, AZ: Radiocarbon.
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Sieg, C. H. and K. E. Severson. 1996. Managing Habitats for white-tailed deer: Black Hills and Bear Lodge Mountains of South Dakota and Wyoming. General Technical Report RM-274. Fort Collins, CO: USDA Forest Service Rocky Mountain Research Station.
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Sieg, C. H., D. M. Meko, A. T. DeGaetano, J. R. Miller, M. J. Bunkers, and W. Ni. 1995. An analysis of drought in the Northern Great Plains: summary of progress. Pages 20-22 In R. W. Tinus (tech. ed.) Interior West Global Change Workshop, April 25-27, 1995. General Technical Report RM-262. Fort Collins, CO: USDA Forest Service Rocky Mountain Research Station.
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Sieg, C. H. and R. King. 1995. Influence of environmental factors and preliminary demographic analysis of a threatened orchid, Platanthera praeclara. American Midland Naturalist. 134: 307-323.
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Sieg, C. H. and A. J. Bjugstad. 1994. Five years of following the western prairie fringed orchid (Platanthera praeclara) on the Sheyenne National Grassland, North Dakota. Pages 141-146 In R. G. Wickett, P. D. Lewis, A. Woodliffe, and P. Pratt, (eds). Proceedings of the 13th North American Prairie Conference, August 6-9, 1992. Windsor, Ontario, Canada. Windsor: Preney Print and Litho Inc.
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Sieg, C. H. and C. W. O'Brien. 1993. Stethobaris commixta Blatchley (Cooleoptera: Curculionidae) collected from a species of orchid; Platanthera praeclara Sheviak and Bowles, in North Dakota tall-grass prairie. Prairie Naturalist. 25(l): 81.
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Sieg, C. H. 1993. A classification of soils in bur oak woodlands in the foothills of the Black Hills, South Dakota. Soil Science. 155(2): 131-147.
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Bunkers, M. J., C. H. Sieg and A. T. DeGaetano. 1993. A comparison of divisional growing season drought between western and southeastern South Dakota. Proceedings South Dakota Academy of Sciences 72: 141-160.
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Sieg, C.H. 1991. Geographic affinity of bird species associated with Rocky Mountain juniper woodlands and adjacent grasslands in southwestern South Dakota. Prairie Naturalist. 23(l): 25-33.
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Sieg, C. H. and D. M. Becker. 1990. Nest-site habitat selected by Merlins in southeastern Montana. The Condor. 92:688-694.
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Hodorff, R. A., C. H. Sieg, and R. L. Linder. 1988. Wildlife response to stand structure of deciduous woodlands. Journal of Wildlife Management. 52(4): 667-673.
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Sieg, C. H. 1988. Small mammals: pests or vital components of the ecosystem. In D. W Uresk, G. L. Schenbeck, and R. Cefkin. tech. coord., Eighth Plains Wildlife Damage Control Workshop Proceedings. April 28-29, 1987, Rapid City, SD. General Technical Report RM-154. Fort Collins, CO: USDA Forest Service Rocky Mountain Research Station.
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Sieg, C. H., D. W. Uresk, and R. M. Hansen. 1987. Impact of bentonite mining on selecting arthropods. Journal of Range Management. 40(2): 128-131.
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Becker, D. M. and C. H. Sieg. 1987. Eggshell quality and organochlorine residues in eggs of Richardson's Merlins in southeastern Montana. Canadian Field-Naturalist. 101(3):369-372.
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Becker, D. M. and C. H. Sieg. 1987. Home range and habitat utilization of breeding male merlins, Falco columbarius, in southeastern Montana. Canadian Field-Naturalist. 101(3): 398-403.
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Hodorff, R. A., and C. H. Sieg. 1986. Bird species associated with green ash in the Slim Buttes, South Dakota. South Dakota Bird Notes. 38(3): 56-60.
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Sieg, C. H., D. W. Uresk, and R. M. Hansen. 1986. The value of bentonite mine spoils in southeastern Montana as small mammal habitat. Northwest Science. 60(4): 218-224.
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Becker, D. M. and C. H. Sieg 1985. Breeding chronology and reproductive success of Richardson's Merlins in southeastern Montana. Raptor Research. 19: 52-55.
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Paulson, D. D. and C. H. Sieg. 1984. Long-eared owls nesting in Badlands National Park. South Dakota Bird Notes 36(4): 72-75.
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Sieg, C. H., D. W. Uresk, and R. M. Hansen. 1984. Natural growth of Atriplex suckleyi ((Torrey) Rydb.) on bentonite mine spoils in southeastern Montana. Pages 53-38 In: A. R. Tiedemann, H. C. McArthur, R. Stutz, R. Stevens, and K. L. Johnson, compilers. Proceedings - Symposium on the biology of Atriplex and related chenopods, May 2-6, 1983, Provo, UT. Gen. Tech. Rep. INT-172. Provo, UT: USDA Forest Service Intermountain Forest and Range Experiment Station.
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Sieg, C. H., D. W. Uresk, and R. M. Hansen. 1983. The biological costs of not reclaiming bentonite mine spoils. Pages 272-277 In Proceedings of the Western Association of Fish and Wildlife Conference. July 18-22, 1982. Las Vegas, NV.
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Sieg, C. H., D. W. Uresk, and R. M. Hansen. 1983. Plant-soil
relationships on bentonite mine spoils and sagebrush-grassland in the Northern
High Plains. Journal of Range Management. 36(3): 289-294.
( PDF File)
Hull, C. L. 1981. Biota of bentonite mine spoils. M.S. Thesis. Colorado State University, Fort Collins. 52 pp.