2005

• Distribution and relative abundance of bat species in Crater Lake National Park, Redwood National and State Parks, and Oregon Caves National Monument; Andrew Duff, Klamath Network Inventory and Monitoring Program; IAR 35760; 2005

• Fire History of Whitebark Pine Forests Crater Lake, Mount Rainier, and North Cascades National Parks; Michael Murray, Crater Lake, OR; IAR 35203; 2005

• Forest Inventory and Analysis; Marc LaPine; IAR 34486; 2005

• Spatial, Temporal and Depth Distribution of Snow Properties in the Crater Lake Snowpack;  Ms Lora Koenig, Univ. of Washington, Dept. of Earth and Space Sciences; IAR 33788; 2005

• 2005 Crater Lake NP Rangeland Ecological Site Description Data Collection; Mr Jeff Repp, USDA-NRCS-WNTSC, Portland, OR; IAR 35873; 2005

• Crater Lake NP Winter Wolverine Survey 2004 - 2005; Dr Michael Murray, Crater Lake, OR; IAR 35198; 2005

• Western Airborne Contaminants Assessment Project; Dr Dixon Landers, Corvallis, OR; IAR 35832; 2005

2004

2003

2002

• Ecology of the Pumice Desert; Ms Elizabeth Horn, West Yellowstone, MT; IAR 24578; 2002

• Forestry inventory and Analysis; Ms Janet Stefani, PNW Research Station, Portland Forestry Sciences Lab; IAR 24831; 2002

• Intercontinental Transport and Chemical Transformation Experiment (ITCT); Mr Steven Cliff, Dept. of Applied Science, Univ. of CA, Davis; IAR 25031; 2002

• Inventory of Amphibians and Reptiles Klamath Parks Network Inventory and Monitoring Program; Dr Bruce Bury, Forest and Rangeland, Ecosystem Science Center, Corvallis, OR; IAR 24750; 2002

• Small Mammal Inventories in Klamath Network National Parks, Monuments, and Recreation Areas - Crater Lake National Park; Mr Scott Mahady, Klamath Network-National Park Service; IAR 27732; 2002

• Territorial Interactions Between Species of Corvids; Dr Lawrence Powers, Dept. of Natural Sciences, Oregon Institute of Technology; IAR 24892; 2002

• The Generation of Post-Caldera Rhyodacite in Crater Lake, Oregon; Ms Angela Roach, Dept. of Geological Sciences, Brown Univ.; IAR 23891; 2002

• The role of western dwarf mistletoe in fire susceptibility and behavior in mature ponderosa pine stands; Ms Sharon Stanton, Dept. of Geography, Portland State Univ.; IAR 28174; 2002

2001

• Forestry inventory and Analysis; Janet Stefani, PNW Research Station, Portland Forestry Sciences Lab; IAR 21726; 2001

• Seasonal effects of prescribed fire at Crater lake; James Agee, College of Forest Resources, Univ. of Washington; IAR 21728; 2001

• Transport of Asiatic Aerosols into Crater Lake National Park; Tom Cahill, Air Quality Group, Crocker Nuclear Laboratory, Univ. of CA, Davis; IAR 22081; 2001

• USEPA's Environmental Monitoring and Assessment Program (EMAP); Shannon Hubler, Dept. of Environmental Quality, Portland, OR; IAR 20805; 2001

• Assessment of Sensitive Amphibians in Southwest Oregon (State - Federal Partnership); Bruce Bury, Forest and Rangeland, Ecosystem Science Center, Corvallis, OR; IAR 22333; 2001

• Calibration of the (U-Th)/He geochronometer by analysis of the Mt. Mazama ash flow tuff and granodiorite xenoliths; Jeremy Boyce, Cambridge, MA; IAR 20572; 2001

• Conduit processes of the Cleetwood eruption, inferred from textural, petrologic, and water content analyses; Katherine Wearn, Dept. of Geol. Sciences, Univ. of Oregon; IAR 21365; 2001

1999

1998

• Educational Research for Elementary School Science; Richard Aceves, Riverside, CA; IAR 12837; 1998

• FIA/FHM Inventory of eastern Oregon's timberlands; David Azuma, PNW Research Station, Portland Forestry Sciences Lab; IAR 12836; 1998

• Hybridization in an isolated population: an example from Penstemon (Scrophulariaceae); Shannon Datwyler, Dept. of Evolution, Ecology and Organismic Biology, Ohio State Univ.; IAR 12835; 1998

• Inventory of Native Bumblebees of Crater Lake; Carol Ferguson, Biology Dept., Southern Oregon Univ.; IAR 12841; 1998

• Magma migration and Hydrothermal Convection in High Cascade volcanoes; Michael Ryan, U.S. Geological Survey; IAR 12845; 1998

• Restoration Strategies for Collomia mazama-Phase II; Casey Baldwin, Univ. of Idaho, Dept. Forest Resources; IAR 12840; 1998

• Source constraints for growth of continental arcs based on Re-Os isotope fractionation; Garret L. Hart, Univ. of Wisconsin-Madison, Dept. of Geology and Geophysics; IAR 12842; 1998

• Trace element partitioning coefficients for feldspar in high-silica rhyolite; Minghua Ren, Dept. of Geology, Baylor Univ.; IAR 12838; 1998

• Volcanic Evolution of the Crater Lake Region; Charles Bacon, U.S. Geological Survey, Menlo Park, CA; IAR 12839; 1998

1997

• Crater Lake Tributaries Flow Assessment; Andre Lehre, Dept. of Geology, Humboldt State Univ.; IAR 12825; 1997

• Ecology of Kokanee Salmon and Rainbow Trout in Crater Lake, Oregon; Mark Buktenica, National Park Service, Crater Lake, Oregon; IAR 12812; 1997

• Ecology of Asarum species; Rudolf Becking, Arcata, CA; IAR 12808; 1997

• Ecology of Pumice Desert; Elizabeth Horn, Missoula, MT; IAR 12821;1997

• Federal Highway Admin HQ-Rim Revegetation Project; Reveg Crew, CRLA NP, RP&R, Terrestrial Branch; IAR 12817; 1997

• Fine Particulate Monitoring. NPS Contract Number CX0001-8-0017; Tom Cahill, Air Quality Group, Crocker Nuclear Laboratory, Univ. of CA, Davis; IAR 12813; 1997

• Fire Monitoring Plots; Al Augustine, National Park Service, Crater Lake National Park; IAR 12803; 1997

• Hazardous Fuel Pile and Burn; Al Augustine, Crater Lake National Park; IAR 12804; 1997

• Hydrothermal Convection in Cascade Volcanoes-Magma Migration in Cascade Volcanoes; Michael Ryan, U.S. Geological Survey; IAR 12833; 1997

• Longterm Limnological Monitoring; Gary Larson, National Biological Survey, College of Forestry, Oregon State Univ.; IAR 12824; 1997

• Management Ignited Fire; Al Augustine, Crater Lake National Park, Crater Lake, Oregon; IAR 12805; 1997

• National Benchmark Station, Collection of Basic Records; Jim Poole, U.S. Geological Survey; IAR 12830; 1997

• Northern Spotted Owl Inventory; Mary Rasmussen, CRLA NP, RP&R, Terrestrial Branch; IAR 12831; 1997

• Nutrient study of Crater lake; Al Groeger, Southwest Texas State Univ., Dept. of Biology; IAR 12820; 1997

• Phylogenetics and Speciation in a Daphnia pulex Species Complex; Dyan Straughan, Gold Hill, OR; IAR 12834; 1997

• Physical Characteristics of the Cleetwood Air-fall Tephra: Implications for controls upon silicic volcanic eruptive styles. Density distribution study of Cleetwood Eruption; Renee Bourgeois, Univ. of Oregon, Dept. of Geological Science; IAR 12809; 1997

• Potential for hybridization and gene flow in an isolated population of Penstemon (Scrophulariaceae); Shannon Datwyler, Dept of Plant Biology, Ohio State Univ.; IAR 12819; 1997

• Preparation for Klamath River Basin Adjudication; Chuck Pettee, National Park Service, NPS Water Resources Division; IAR 12829; 1997

• Restoration Strategies for Collomia mazama-Phase II; Casey Baldwin, Univ. of Idaho, Dept. Forest Resources; IAR 12807; 1997

• Revegetation Lodge Landscape; Reveg Crew, CRLA NP, RP&R, Terrestrial Branch; IAR 12818; 1997

• Survey Fort Klamath-Union Creek military wagon road within boundaries of Crater Lake National Park; Steve Mark, Crater Lake National Park; IAR 12827; 1997

• Survey of Freshwater Ostracoda (Crustacea) in Crater Lake National Park; Okan Kulkoyluoglu, Dept. of Biology, Univ. of Nevada, Reno; IAR 12822; 1997

• Survey of the hydra (coelenterata) in Crater Lake; Richard Campbell, Dept. of Developmental Cell Biology, Univ. of CA, Irvine, CA; IAR 12815; 1997

• The use of camera bait stations to detect fisher and wolverine in Crater Lake National Park; Keith Aubry, Olympia, WA; IAR 12802; 1997

• Volcanic Evolution of the Crater Lake Region; Charles Bacon, U.S. Geological Survey, Menlo Park, CA; IAR 12806; 1997

• 1997 EMAP Oregon Pilot Survey; Phil Larsen, U.S. EPA, Corvallis, OR; IAR 12823; 1997

• Archeological Excavation of Bear Creek Cave; Steve Mark, Crater Lake National Park; IAR 12826; 1997

• Botrychium pumicola Monitoring Project at Llao Rock (5th year); Christine Ott-Hopkins, Bend, OR 97708; IAR 12828; 1997

• Bull Trout Restoration in Crater Lake National Park, Oregon; Mark Buktenica, National Park Service, Crater Lake, Oregon; IAR 12811; 1997

• Climate Change and Lowere Food Web Structure in Lake Ecosystems; Hunter Carrick, Great Lakes Center, SUNY-College at Buffalo; IAR 12816; 1997

• Conservation Biology of the Mt. Mazama Collomia; Steven Brunsfeld, Univ. of Idaho, Dept. of Forest Resources, Moscow, ID; IAR 12810; 1997

• Crater Lake National Park Vegetation Mapping; Jeff Campbell, Lake Oswego, OR; IAR 12814; 1997

• Scenic Images of Crater Lake National Park: A Focus Group Analysis; David Rolloff, Dept. of Forest Resources, Oregon State Univ.; IAR 12832; 1997

1996

• Crater Lake Tributaries Flow Assessment; Andre Lehre, Dept. of Geology, Humboldt State Univ.; IAR 12794; 1996

• Ecology of Kokanee Salmon and Rainbow Trout in Crater Lake, Oregon; Mark Buktenica, National Park Service, Crater Lake, Oregon; IAR 12784; 1996

• Ecology of Pumice Desert; Elizabeth Horn, Missoula, MT; IAR 12792; 1996

• Federal Highway Admin HQ-Rim Revegetation Project; Reveg Crew, CRLA NP, RP&R, Terrestrial Branch; IAR 12790; 1996

• Fine Particulate Monitoring. NPS Contract Number CX0001-8-0017; Tom Cahill, Air Quality Group, Crocker Nuclear Laboratory, Univ. of CA, Davis; IAR 12785; 1996
• Fire Monitoring Plots; Al Augustine, National Park Service, Crater Lake National Park; IAR 12777; 1996

• Hazardous Fuel Pile and Burn; Al Augustine, Crater Lake National Park; IAR 12778; 1996

• Hydrothermal Convection in Cascade Volcanoes-Magma Migration in Cascade Volcanoes; Michael Ryan, U.S. Geological Survey, VA; IAR 12799; 1996

• Longterm Limnological Monitoring; Gary Larson, National Biological Survey, College of Forestry, Oregon State Univ.; IAR 12793; 1996

• Management Ignited Fire; Al Augustine, Crater Lake National Park, Crater Lake, Oregon; IAR 12779; 1996

• National Benchmark Station, Collection of Basic Records; Jim Poole, U.S. Geological Survey; IAR 12798; 1996

• Northern Spotted Owl Inventory; Richard Medaris, CRLA NP, RP&R, Terrestrial Branch; IAR 12795; 1996

• Phylogenetics and Speciation in a Daphnia pulex Species Complex; Dyan Straughan, Gold Hill, OR; IAR 12800; 1996

• Preparation for Klamath River Basin Adjudication; Chuck Pettee, National Park Service, NPS Water Resources Division; IAR 12797; 1996

• PSD Increment tracking; John Core, Westar Council, Portland, Oregon; IAR 12789; 1996

• Restoration Strategies for Collomia mazama-Phase II; Casey Baldwin, Univ. of Idaho, Dept. Forest Resources; IAR 12781; 1996

• Revegetation Lodge Landscape; Reveg Crew, CRLA NP, RP&R, Terrestrial Branch; IAR 12791; 1996

• Survey of the hydra (coelenterata) in Crater Lake; Richard Campbell, Dept. of Developmental Cell Biology, Univ. of CA, Irvine; IAR 12787; 1996

• Volcanic Evolution of the Crater Lake Region; Charles Bacon, U.S. Geological Survey, Menlo Park, CA; IAR 12780; 1996

• Botrychium pumicola Monitoring Project at Llao Rock (5th year); Christine Ott-Hopkins, Bend, OR; IAR 12796; 1996

• Bull Trout Restoration in Crater Lake National Park, Oregon; Mark Buktenica, National Park Service, Crater Lake, Oregon; IAR 12783; 1996

• Climate Change and Lowere Food Web Structure in Lake Ecosystems; Hunter Carrick, Great Lakes Center, SUNY-College at Buffalo; IAR 12788; 1996

• Conservation Biology of the Mt. Mazama Collomia; Steven Brunsfeld, Univ. of Idaho, Dept. of Forest Resources, Moscow, ID; IAR 12782; 1996

• Crater Lake National Park Vegetation Mapping; Jeff Campbell, Pacific Meridian Resources, Portland, OR; IAR 12786; 1996

1995

• Ecology of Kokanee Salmon and Rainbow Trout in Crater Lake, Oregon; Mark Buktenica, National Park Service, Crater Lake, Oregon; IAR 12767; 1995

• Fine Particulate Monitoring. NPS Contract Number CX0001-8-0017; Tom Cahill, Air Quality Group, Crocker Nuclear Laboratory, Univ. of CA, Davis; IAR 12768; 1995

• Fire Monitoring Plots; Al Augustine, National Park Service, Crater Lake National Park; IAR 12759; 1995

• Hazardous Fuel Pile and Burn; Al Augustine, Crater Lake National Park; IAR 12760; 1995

• Longterm Limnological Monitoring; Gary Larson, National Biological Survey, College of Forestry, Oregon State Univ.; IAR 12772; 1995

• National Benchmark Station, Collection of Basic Records; Jim Poole, U.S. Geological Survey; IAR 12774; 1995

• Plant Materials for Crater Lake National Park Revegetation Project; Theresa Flessner, USDA Soil Conservation Service, Plant Materials Center, Corvallis, Oregon; IAR 12771; 1995

• Preparation for Klamath River Basin Adjudication; Chuck Pettee, National Park Service, NPS Water Resources Division; IAR 12773; 1995

• Prescribed Fire; Al Augustine, National Park Service, Crater Lake National Park; IAR 12761; 1995

• PSD Increment tracking; John Core, Westar Council, Portland, Oregon; IAR 12770; 1995

• Spotted Owl Inventory; William Brock, Crater Lake National Park; IAR 12763; 1995

• Volcanic Evolution of the Crater Lake Region; Charles Bacon, U.S. Geological Survey, Menlo Park, CA; IAR 12762; 1995

• A population survey for the rare sedge Carex whitneyi at Crater Lake National Park; Peter Zika, Oregon State Univ., Herbarium Research Associate, Botany Dept., OSU; IAR 12775; 1995

• Amphibian Survey in Crater Lake National Park; Mark Buktenica, National Park Service, Crater Lake, Oregon; IAR 12765; 1995

• Bull Trout Restoration in Crater Lake National Park, Oregon; Mark Buktenica, National Park Service, Crater Lake, Oregon; IAR 12766; 1995

• Checklist of Plants of Crater Lake National Park; Peter Zika, Oregon State Univ., Herbarium Research Associate, Botany Dept., OSU, Corvallis, Oregon; IAR 12776; 1995

• Conservation Biology of the Mt. Mazama Collomia; Steven Brunsfeld, Univ. of Idaho, Dept. of Forest Resources, Moscow, ID; IAR 12764; 1995

• Crater Lake National Park Vegetation Mapping; Jeff Campbell, Pacific Meridian Resources, Portland, OR; IAR 12769; 1995

1994

• Ecology of Kokanee Salmon and Rainbow Trout in Crater Lake, Oregon; Mark Buktenica, National Park Service, Crater Lake, Oregon; IAR 12751; 1994

• Fine Particulate Monitoring. NPS Contract Number CX0001-8-0017; Tom Cahill, Air Quality Group, Crocker Nuclear Laboratory, Univ. of CA, Davis; IAR 12749; 1994

• Fire Monitoring Plots; Al Augustine, National Park Service, Crater Lake National Park; IAR 12745; 1994

• Longterm Limnological Monitoring; Gary Larson, National Biological Survey, College of Forestry, Oregon State Univ.; IAR 12754; 1994

• National Benchmark Station, Collection of Basic Records; Mike Gentile, U.S. Geological Survey; IAR 12742; 1994

• Plant Materials for Crater Lake National Park Revegetation Project; Theresa Flessner, USDA Soil Conservation Service, Plant Materials Center, Corvallis, Oregon; IAR 12750; 1994

• Prescribed Fire; Al Augustine, National Park Service, Crater Lake National Park; IAR 12744; 1994

• Preparation for Klamath River Basin Adjudication; Chuck Pettee, National Park Service, NPS Water Resources Division; IAR 12747; 1994

• PSD Increment tracking; John Core, Westar Council, Portland, Oregon; IAR 12743; 1994

• Spotted Owl Inventory; William Brock, Crater Lake National Park, Crater Lake, OR; IAR 12757; 1994

• Volcanic Evolution of the Crater Lake Region; Charles Bacon, U.S. Geological Survey, Menlo Park, CA; IAR 12748; 1994

• A population survey for the rare sedge Carex whitneyi at Crater Lake National Park; Peter Zika, Oregon State Univ., Herbarium Research Associate, Botany Dept., OSU; IAR 12741; 1994

• Amphibian Survey in Crater Lake National Park; Mark Buktenica, National Park Service, Crater Lake, Oregon; IAR 12753; 1994

• Bull Trout Restoration in Crater Lake National Park, Oregon; Mark Buktenica, National Park Service, Crater Lake, Oregon; IAR 12752; 1994

• Checklist of Plants of Crater Lake National Park; Peter Zika, Oregon State Univ., Herbarium Research Associate, Botany Dept., OSU, Corvallis, Oregon; IAR 12756; 1994

• Conservation Biology of the Mt. Mazama Collomia; Steven Brunsfeld, Univ. of Idaho, Dept. of Forest Resources, Moscow, ID; IAR 12755; 1994

• Crater Lake National Park Vegetation Mapping; Jeff Campbell, Pacific Meridian Resources, Portland, OR; IAR 12758; 1994

• Hazardous Fuel Pile and Burn; Al Augustine, Crater Lake National Park; IAR 12746; 1994

1993

• Ecology of Kokanee Salmon and Rainbow Trout in Crater Lake, Oregon; Mark Buktenica, National Park Service, Crater Lake National Park; IAR 12737; 1993

• Fine Particulate Monitoring; Tom Cahill, Air Quality Group, Crocker Nuclear Laboratory, Univ. of CA, Davis; IAR 12735; 1993

• Fire Monitoring Plots; Al Augustine, National Park Service, Crater Lake National Park; IAR 12731; 1993

• Hazardous Fuel Pile and Burn; Al Augustine, National Park Service, Crater Lake National Park; IAR 12732; 1993

• Longterm Limnological Monitoring; Gary Larson, National Biological Survey, Oregon State Univ., College of Forestry; IAR 12740; 1993

• National Benchmark Station; Mike Gentile, U.S. Geological Survey; IAR 12728; 1993

• Plant Materials for Crater Lake National Park Revegetation Project; Dale Darris, U.S. Soil Conservation Service, Plant Materials Center, Corvallis, OR; IAR 12736; 1993

• Preparation for Klamath River Basin Adjudication; Chuck Pettee, National Park Service, Water Resources Division; IAR 12733; 1993

• Prescribed Fire; Al Augustine, National Park Service, Crater Lake National Park; IAR 12730; 1993

• PSD Increment Tracking; John Core, Westar Council, Portland, OR; IAR 12729; 1993

• Volcanic Evolution of the Crater Lake Region; Charles Bacon, U.S. States Geological Survey, Menlo Park, CA; IAR 12734; 1993

• A Population Survey for the Rare Sedge Carex Whitneyi at Crater Lake National Park; Peter Zika, Oregon State Univ., Herbarium Research Associate, Botany Dept., OR; IAR 12727; 1993

• Amphibian Survey in Crater Lake National Park; Mark Buktenica, National Park Service, Crater Lake National Park; IAR 12739; 1993

• Bull Trout Restoration in Crater Lake National Park, Oregon; Mark Buktenica, National Park Service, Crater Lake National Park; IAR 12738; 1993

1992

• Ecology of Kokanee Salmon and Rainbow Trout in Crater Lake, Oregon, with comments on long-term implications of fish introductions; Mark Buktenica, National Park Service, Crater Lake Natl. Park; IAR 12722; 1992

• Effects of Climate on Physical and Chemical Characteristics of Crater Lake; Gary Larson, Oregon State Univ., Cooperative Park Studies Unit; IAR 12710; 1992

• Fine Particulate Monitoring. NPS Contract Number CX0001-8-0017; Tom Cahill, Air Quality Group, Crocker Nuclear Laboratory, Univ. of CA, Davis; IAR 12718; 1992

• Fungi Inventory of Crater Lake National Park; Welles Bushnell, North American Truffling Society, Forestry Sciences Laboratory, Corvallis, OR; IAR 12723; 1992

• Hydrologic Studies; Micheal Kraus, National Oceanic & Atmospheric, Medford, OR; IAR 12724; 1992

• Limnological Studies of Crater Lake; Gary Larson, Oregon State Univ., Cooperative Park Studies Unit; IAR 12725; 1992

• Plant Materials for Crater Lake National Park Revegetation Project; Dale Darris, USDA Soil Conservation Service, Plant Materials Center, Corvallis, OR; IAR 12715; 1992

• Research Spotted Owl Distribution; Ken Stahlnecker, National Park Service, Crater Lake National Park; IAR 12712; 1992

• Reserved Water Rights Claim Preparation for the Klamath Basin Adjudication; Chuck Pettee, NPS Water Resources Division, Fort Collins, CO; IAR 12717; 1992

• Volcanic Breccias: Evaluation of Fragment and Deposit Origins and Distribution Within Small-Volume Composite Volcanoes; Michael Grubensky, Univ. of New Mexico, Dept. Earth and Planetary Science; IAR 12716; 1992

• Volcanic Evolution of the Crater Lake Region; Charles Bacon, U.S. Geological Survey, Menlo Park, CA; IAR 12720; 1992

• What Price Expansion? Dams Versus the National Park Concept; Stephen Mark, National Park Service, Crater Lake National Park; IAR 12713; 1992

• A Proposed Gas-Volcanic Solution To the Crater Lake, Oregon Collapse Structure; G. Miller; IAR 12719; 1992

• Bull Trout Restoration in Crater Lake National Park, Oregon; Mark Buktenica, National Park Service, Crater Lake Natl. Park; IAR 12721; 1992

• Collection of Representative Rocks from Crater Lake; Jon Davidson, Univ. of CA, Los Angeles, Dept. Earth and Space Sciences, Los Angeles, CA; IAR 12711; 1992

• Crater Lake National Park 10-year Limnological Studies Final Report; Gary Larson, Oregon State Univ., Cooperative Park Studies Unit, Corvallis, OR; IAR 12726; 1992

• Administrative History of John Day Fossil Beds National Monument; Stephen Mark, National Park Service, Crater Lake National Park; IAR 12714; 1992

1991

• Departure Analysis; Chuck Pettee, NPS Water Resources Division; IAR 12688; 1991

• Developing a Resource Database for Crater Lake; Gerald Wright, National Park Service, Dept. of Wildlife Resources, Univ. of Idaho; IAR 12701; 1991

• Dutton Ridge Air Visibility Monitoring; James Milestone, Crater Lake National Park; IAR 12686; 1991

• Ecology of kokanee salmon and rainbow trout in Crater Lake, Oregon; Mark Buktenica, National Park Service, Crater Lake National Park; IAR 12706; 1991

• Establishment and Defense of the Cascade Range Forest Reserve: As Found in Letters, Newspapers, Magazines, and Official Reports, 1885-1912; Stephen Mark, National Park Service, Crater Lake National Park; IAR 12698; 1991

• Fine Particulate Monitoring; Tom Cahill, Air Quality Group, Crocker Nuclear Laboratory, Univ. of CA, Davis; IAR 12699; 1991
• Fire Monitoring Plots; Gene Rogers, National Park Service, Crater Lake National Park; IAR 12693; 1991

• Limnological Studies of Crater Lake; Gary Larson, Cooperative Parks Study Unit, College of Forestry, Oregon State Univ.; IAR 12707; 1991

• Magma Chamber Evolution of Cascade Volcanoes; P. Clifford, McMaster Univ., Dept. of Geology, Hamilton, Ontario; IAR 12689; 1991

• North American Truffling Society Foray; James Trappe, North American Truffling Society, Corvallis, OR; IAR 12697; 1991

• Origin of the Magma Chamber Under Mount Mazama; Geoffrey Miller, National Research Council of C, Ottawa, Canada; IAR 12695; 1991

• Particle fluxes in Crater lake and their relationship to nutrient cycling; Jack Dymond, Oregon State Univ., College of Oceanography; IAR 12708; 1991

• Plant materials for Crater Lake National Park Revegetation Project; Dale Darris, USDA Soil Conservation Service, Plant Materials Center, Corvallis, OR; IAR 12690; 1991

• RAWS Installation; Gene Rogers, National Park Service, Crater Lake National Park; IAR 12694; 1991

• Spotted Owl Inventory, Crater Lake National Park; James Milestone, Crater Lake National Park; IAR 12687; 1991

• Studies of hydrothermal processes in Crater Lake, Oregon; Jack Dymond, Oregon State Univ., College of Oceanography; IAR 12709; 1991

• Trail impact monitoring; Mark Magnason, National Park Service, Crater Lake National Park; IAR 12696; 1991

• Tree Section Collection; Gene Rogers, National Park Service, Crater Lake National Park; IAR 12692; 1991

• Treespade Transplanting Trails for Crater Lake Rim Village Reconstruction Projects; Nancy Dunkle, National Park Service, Denver Service Center; IAR 12704; 1991

• U.S. Geological Survey-Hydrologic Benchmark Station; R. Kraus, U.S. Geological Survey, Medford, OR; IAR 12702; 1991

• Visibility Monitoring; John Core, Oregon Dept. of Environ. Quality, Air Quality Division, Portland, OR; IAR 12703; 1991

• Volcanic Breccias: Evaluation of Fragment and Deposit Origins and Distribution Within Small Volume Composite Volcanoes; Michael Grubensky, Univ. of New Mexico, Geology Dept.; IAR 12700; 1991

• Volcanic evolution of the Crater Lake Region; Charles Bacon, U.S. Geological Survey, Menlo Park, CA; IAR 12691; 1991

• A survey of the aquatic macroinvertebrates in Annie, Lost, Sun and Sand Creeks, Crater Lake National Park, Oregon; Robert Wisseman, Aquatic Biology Associates, Corvallis, OR; IAR 12705; 1991

• Botrychium pumicola Annual Inventory; James Milestone, Crater Lake National Park; IAR 12685; 1991