Table of Contents
SLIDE SHOW ON GRAVEL DEPOSIT MODELS AND MEASURING
AGGREGATE QUALITY, FRONT RANGE URBAN CORRIDOR, COLORADO
FRONT RANGE INFRASTRUCTURE RESOURCES PROJECT DEMONSTRATION
AREA
DISCUSSION TOPICS
PHYSIOGRAPHIC SETTING GRAVEL DEPOSIT MODELS FRONT
RANGE URBAN CORRIDOR
COMPONENTS OF GRAVEL DEPOSIT MODELS
FIELD MEASURES OF GRAVEL QUALITY
GRAVEL STRATIGRAPHY POUDRE VS SOUTH PLATTE VALLEYS
SAMPLING STRATEGIES FOR GRAVEL STUDIES
COMPONENTS OF STATISTICAL VARIATION
ERROR ACCOMPANIES ANY SAMPLING PROCEDURE
ESTIMATES OF ERROR FOR GRAVEL PARTICLE SIZE
EXAMPLES OF TARGET VARIANCE
HIERARCHICAL SAMPLE PLAN: POUDRE VALLEY GRAVEL
ESTIMATES OF VARIANCE COMPONENTS POUDRE GRAVEL
PARTICLE SIZE
POUDRE VALLEY GRAVEL SIZE
SAMPLE PLAN FOR SOUTH PLATTE GRAVEL
STRATIGRAPHIC VARIATION IN GRAVEL SIZE SOUTH PLATTE
STUDY AREA
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Authors: David A. Lindsey and William H.
Langer
Email: dlindsey@usgs.gov
Front Range Infrastructure Resources Project: http://webserver.cr.usgs.gov/frirp/FRIRP.html
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