Report on the vegetation type survey of Crater Lake National Park

ill.; "Field work was completed on August 15, 1936, and the office work connected with the survey done at the Berkeley office of the Branch of Forestry during the winter months." - P. 1.

2009-04-29
2009-05-18

Crater Lake fact sheet

ill.; Caption title; "Significant Thermal Features Bill."; Includes bibliographical references;

2009-04-29
2009-05-18

Longrange aquatic resources management plan: Crater Lake National Park 1969-1978

ill., 1 map (col.), on sheet 54.8 cm. x 35.4 cm., folded to 27.2 x 17.6 cm.; Map on 1 folded leave in pocket; Includes bibliographical references.

1969-04-29
2009-02-27
2009-05-19

Crater Lake National Park visitor study, summer 2001

chiefly ill., maps; "The visitor study was conducted August 3-9, 2001 by the National Park Service (NPS) Visitor Services Project (VSP), part of the Cooperative Park Studies Unit at the University of Idaho"--P. 1.; "April 2002."; "NPS...

2009-04-29
2009-05-18

Pronghorn antelope

ill.; Report title; Includes bibliographical references.

1990-04-29
2009-04-29
2009-06-08

Crater Lake National Park research opportunities

col. ill.; Cover title; Published in cooperation with the Crater Lake Natural History Association, USGS Forest and Rangeland Ecosystem Science Center, and Crater Lake National Park; National Parks provide stable and protected sites for sustained...

1999-04-29
2009-05-18
2009-06-08

Diller's field notes on Crater Lake Region, 1896

ill.; Transcription of 1896 original; Author from Crater Lake National Park historian

1896-04-29
2009-04-29
2009-06-08

Visitor behavior and management alternatives at Crater Lake National Park

ill.; Cover title: Social impacts of design alternatives, Crater Lake National Park; "Final report, contract #CX9000-7-0061 between Crater Lake National Park and Oregon State University."

2009-05-15
2009-06-08

Reference guide to the Crater Lake National Park oral history series

INTRODUCTION This document is not only directed at making the Crater Lake National Park Oral History Series more useful to readers by providing an index for faster reference, but also to give some explanation about the program. The first...

2024-04-29
2009-05-18
2009-06-08

Threatened and endangered vascular plants : not yet seen in the park

ill.;

1982-04-29
2009-05-26
2009-06-08

Map of Crater Lake National Park area, showing geology, stream, and spring-site...

1 map: col.; Relief shown by contours and spot height. Depths shown by contours and soundings; Shows Crater Lake and the Mount Mazama region; Base map: U.S. Geological Survey 1:62,500 special series Crater Lake National Park and vicinity, Oregon,...

2008-06-30
2009-06-16

Life zones with special reference to the botanical features of those of Crater Lake...

Thesis, M.A., Oregon, Dept. of Biology; Bibliography: p. 70-71

2024-04-29
2009-06-12
2009-06-16

Topographic map of Crater Lake National Park, plate XV

1 map: col.; "The black line indicates the sectional represented in the vertical section of Plate XVI." - included in the thesis text for Plate XV.; Relief shown by contours and spot heights. Depths shown by bathymetric soundings (in feet) by...

2024-04-29
2009-06-12
2009-06-16

Life zone map of Crater Lake National Park, plate XVII

1 map: col.; "Legend: Hudsonian, Canadian, Transition." - included in the thesis text for Plate XVII; Relief shown by contours and spot heights. Depths shown by bathymetric soundings (in feet) by Mark B. Kerr in 1886; Base map: Crater Lake...

2024-04-29
2009-06-12
2009-06-17

Fact and fancy about Crater Lake fish

ill.; Report title; Fishing period between July 24, 1933 and September 4, 1933.

2009-04-29
2009-06-17

Annie Spring flow response to long-term drought and municipal water use trends at...

ill.; Report title

2009-05-27
2009-06-17

The ecology and management of elk in Crater Lake National Park, Oregon

ill.; "National Park Service progress report, October, 1976, RSP CRLA-N-15A."; Typescript (photocopy); Includes bibliographical references (leaf [20].).

1976-04-29
2009-05-27
2009-06-22

Ecology of elk inhabiting Crater Lake National Park and vicinity

ill., maps; Final report, U.S.D.I. National Park Service, cooperative agreement CA-9000-3-0003; "February 1988."; Bibliography: leaves 31-32.

2009-05-28
2009-06-22

Research study to determine vegetation dynamics in ponderosa pine forest, Crater Lake...

Principal investigator: Donald B. Zobel; research assistant: Robert C. McNeil; Includes bibliographical references; National Park Service , CX-9000-30-0137.

1975-04-29
2009-03-20
2009-06-29

An ecological assessment of five springs in Crater Lake National Park: water chemistry...

Report title; The five different areas in Crater Lake National Park chosen for this study include: Anne Springs, Castle Crest Springs, Crater Springs, Lightning Springs, and Thousand Springs; Includes bibliographical references; "Part 1: Water...

2009-05-28
2009-06-29

Distribution and habitat associations of the northern pygmy-owl in Oregon

ill., map; Printout; Thesis (M.S.)--Oregon State University, 2000; Includes bibliographical references (leaves 38-41)

1999-04-29
2009-06-01
2009-08-28

Biofuels and internal combustion engine options for tour boats on Crater Lake

ill.; Thesis (M.S.M.E.)--University of Washington, 2000; Includes bibliographical references (p. 321-339)

2024-04-29
2009-06-16
2009-08-31

Crater Lake National Park, Oregon: interim development concept plan, amendment to the...

"April 1985."; "NPS D-44.";

2009-07-02
2009-08-31

Technical memorandum, vehicle and visitor use study Crater Lake National Park, Oregon

ill., maps; Report title; Counts were collected during 2001 and the beginning of 2002. Accident data is given for 1998 - 2000;

2024-04-29
2009-05-15
2009-09-01

An analysis of public input regarding policy relative to snowmobiles and winter...

ill., maps; Report title; Includes bibliographical references;

1980-04-29
2009-05-15
2009-11-02