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Samuel A. Johnstone
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Journal Article

The Pondosa fault zone: A distributed dextral-normal-oblique fault system in northeastern California, USA

Jessica Thompson Jobe, Richard Briggs, Ryan Gold, Stephen DeLong, Madeline Hille, Jaime Delano, Samuel A. Johnstone, Alexandra Pickering, Rachel Phillips, Andrew T. Calvert
Journal: Geosphere
Published: 07 December 2022
Geosphere (2023) 19 (1): 179–205.
DOI: https://doi.org/10.1130/GES02450.1
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A supervolcano and its sidekicks: A 100 ka eruptive chronology of the Fish Canyon Tuff and associated units of the La Garita magmatic system, Colorado, USA

Leah E. Morgan, Samuel A. Johnstone, Amy K. Gilmer, Michael A. Cosca, Ren A. Thompson
Journal: Geology
Published: 21 March 2019
Geology (2019) 47 (5): 453–456.
DOI: https://doi.org/10.1130/G45898.1
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Establishing chronologies for alluvial-fan sequences with analysis of high-resolution topographic data: San Luis Valley, Colorado, USA

Samuel A. Johnstone, Adam M. Hudson, Sylvia Nicovich, Chester A. Ruleman, Robert M. Sare, Ren A. Thompson
Journal: Geosphere
Published: 24 October 2018
Geosphere (2018) 14 (6): 2487–2504.
DOI: https://doi.org/10.1130/GES01680.1
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Journal Article

Controls on submarine channel-modifying processes identified through morphometric scaling relationships

Lauren E. Shumaker, Zane R. Jobe, Samuel A. Johnstone, Luke A. Pettinga, Dingxin Cai, Jeremiah D. Moody
Journal: Geosphere
Published: 10 August 2018
Geosphere (2018) 14 (5): 2171–2187.
DOI: https://doi.org/10.1130/GES01674.1
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Journal Article

Soil development over mud-rich rocks produces landscape-scale erosional instabilities in the northern Gabilan Mesa, California

Samuel A. Johnstone, K. Dana Chadwick, Miguel Frias, Gabriel Tagliaro, George E. Hilley
Journal: GSA Bulletin
Published: 16 May 2017
GSA Bulletin (2017) 129 (9-10): 1266–1279.
DOI: https://doi.org/10.1130/B31546.1
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Journal Article

Lithologic control on the form of soil-mantled hillslopes

Samuel A. Johnstone, George E. Hilley
Journal: Geology
Published: 01 January 2015
Geology (2015) 43 (1): 83–86.
DOI: https://doi.org/10.1130/G36052.1
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