Soil Survey
of Crater Lake National Park, Oregon
How to Use This Soil Survey
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General Soil Map
The general soil map, which is a color map, shows the survey
area divided into groups of associated soils called general soil map units. This map is useful in planning the use
and management of large areas.
To find information about your area of interest, locate that
area on the map, identify the name of the map unit in the area on the color-coded map legend, then refer to the section
General Soil Map Units for a general
description of the soils in your area.
Detailed Soil Maps
The detailed soil maps can be useful in planning the use and management of small areas.
To find information about your area of interest, locate that area on the
Index to Map Sheets. Note the number of the map sheet and turn to that sheet.
Locate your area of interest on the map sheet. Note the map unit symbols that are in that area. Turn to the
Contents, which
lists the map units by symbol and name and shows the page where each map unit is described.
The Contents shows
which table has data on a specific land use for each detailed soil map unit. Also see the Contents for
sections of this publication that may address your specific needs.
Major fieldwork for this soil survey was completed in 1999
through 2001. Soil names and descriptions were approved in 2001. Unless otherwise
indicated, statements in this publication refer to conditions in the survey area in 2001. This
survey was made cooperatively by the Natural Resources Conservation Service and
the National Park Service.
Soil maps in this survey may be copied without permission.
Enlargement of these maps, however, could cause misunderstanding of the detail of
mapping. If enlarged, maps do not show the small areas of contrasting soils that could
have been shown at a larger scale.
The United States Department of Agriculture (USDA) prohibits
discrimination in all of its programs on the basis of race, color, national origin,
gender, religion, age, disability, political beliefs, sexual orientation, and marital or family
status. (Not all prohibited bases apply to all programs.) Persons with disabilities who require
alternative means for communication of program information (Braille, large print,
audiotape, etc.) should contact the USDA’s TARGET Center at 202-720-2600 (voice or TDD).
To file a complaint of discrimination, write USDA, Director,
Office of Civil Rights, Room 326W, Whitten Building, 14th and Independence Avenue SW,
Washington, DC 20250-9410, or call 202-720-5964 (voice or TDD). USDA is an
equal opportunity provider and employer.
Additional information about the Nation’s natural resources
is available on the Natural Resources Conservation Service home page on the
World Wide Web. The address is http://www.nrcs.usda.gov.
This soil survey is a publication of the National Cooperative Soil Survey, a
joint effort of the United States Department of Agriculture and other Federal
agencies, State agencies including the Agricultural Experiment Stations, and
local agencies. The Natural Resources Conservation Service (formerly the Soil
Conservation Service) has leadership for the Federal part of the National
Cooperative Soil Survey.
