CONTENTS

Bulletin 2130

Introduction

by D.J. Varnes and W.Z. Savage

Chapter 1.

Preliminary chronology of the Slumgullion landslide, Hinsdale County, Colorado

by Richard F. Madole

Chapter 2.

Kinematic studies of the Slumgullion landslide, Hinsdale County, Colorado

by Rex L. Baum and Robert W. Fleming

Chapter 3.

Preliminary geologic map and alteration mineralogy of the main scarp of the Slumgullion landslide

by Sharon F. Diehl and Robert L. Schuster

Chapter 4.

Retreat of the Slumgullion main scarp

by Robert L. Schuster and William K. Smith

Chapter 5.

Radiocarbon age of a newly identified Slumgullion landslide deposit

by Alan F. Chleborad

Chapter 6.

Slumgullion landslide dam and its effects on the Lake Fork

by Robert L. Schuster

Chapter 7.

Deformation and control surveys, Slumgullion landslide

by David J. Varnes, William K. Smith, William Z. Savage, and Philip S. Powers

Chapter 8.

A digital photogrammetric method to measure horizontal surficial movements on the Slumgullion landslide, Hinsdale, County, Colorado

by Philip S. Powers and Marta Chiarle

Chapter 9.

Photogrammetric determination of slope movements on the Slumgullion landslide

by William K. Smith

Chapter 10.

Modeling deformation at the active toe of the Slumgullion landslide

by William Z. Savage, David J. Varnes, William K. Smith, and Philip S. Powers

Chapter 11.

Geotechnical properties of selected materials from the Slumgullion landslide

by Alan F. Chleborad, Sharon F. Diehl, and Susan H. Cannon

Chapter 12.

Slumgullion landslide fault creep studies

by William Z. Savage and Robert W. Fleming

Chapter 13.

Detection of the base of Slumgullion landslide, Colorado, by seismic reflection and refraction methods

by Robert A. Williams and Thomas L. Pratt

Chapter 14.

Slidequakes and fault creep at the Slumgullion landslide: An analog to crustal tectonics

by Joan S. Gomberg, Paul W. Bodin, William Z. Savage, and Michael E. Jackson

Chapter 15.

Measurement of local horizontal velocities on the Slumgullion landslide using the Global Positioning System

by Michael E. Jackson, Paul W. Bodin, W.Z. Savage, and Elizabeth M. Nel