TABLE OF CONTENTS
I. Purpose and Need 1
II. Affected Environment 1
A. Crater Lake 1
B. Rim Drive 2
C. Climate/Air Quality 2
D. Geology and Minerals 4
E. Soils and Topography 5
F. Vegetation 6
G. Wildlife 7
H. Endangered Species 7
I. Aesthetic Quality and Noise Conditions 7
J. Cultural Resources 8
K. Socioeconomic Environment 8
III. Alternatives and Their Environmental Consequences 8
A. Preferred Alternative 8
1. Project Activities 8
2. Design Alternatives 11
a. Filling in 11
b. Lowering grade 11
c. No action 11
3. Mitigating Measures 11
4. Impacts 13
a. Natural Environment 13
b. Socio-economic Environment 15
c. Cultural Environment 16
B. No Action Alternative 16
1. Project Activities 16
2. Environmental Consequences 16
C. Rejected Alternatives 17
1. One-way Loop 17
2. Location 17
IV. Summary of Major Impacts 17
V. Conclusion 18
VI. Consultation and Coordination 18
VII. Bibliography 19
Rights
Digital image copyright 2010. Oregon Institute of Technology. All rights reserved. http://digitallib.oit.edu/cdm/copyright/collection/craterlake
