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Helper, Mark A.
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1

Sedimentology of alluvial fan deposits near Nature's Valley..:

Hassan, Safiya M. ; de Wit, Maarten ; Helper, Mark A..
Journal of African Earth Sciences.  216 (2024)  - p. 105301 , 2024
Link: https://doi.org/10.1016/..
 
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2

Mineralogy and Sourcing of a Stone Bead Industry Found in C..:

Klehm, Carla E. ; Helper, Mark A. ; Hildebrand, Elisabeth..
Journal of Field Archaeology.  48 (2023)  6 - p. 395-414 , 2023
Link: https://doi.org/10.1080/..
 
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3

Dynamic pressure evolution within the 18 May 1980 Mount St...:

Guinn, Nicole K. ; Gardner, James E. ; Helper, Mark A.
Bulletin of Volcanology.  84 (2022)  4 - p. , 2022
Link: https://doi.org/10.1007/..
 
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4

A monumental cemetery built by eastern Africa's first herde..:

Hildebrand, Elisabeth A. ; Grillo, Katherine M. ; Sawchuk, Elizabeth A....
Proceedings of the National Academy of Sciences.  115 (2018)  36 - p. 8942-8947 , 2018
Link: https://doi.org/10.1073/..
 
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5

A monumental cemetery built by eastern Africa's first herde..:

Hildebrand, Elisabeth A. ; Grillo, Katherine M. ; Sawchuk, Elizabeth A....
Proceedings of the National Academy of Sciences of the United States of America.  115 (2018)  36 - p. 8942-8947 , 2018
Link: https://www.jstor.org/st..
 
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6

Stacked, Lower Miocene tide-dominated estuary deposits in a..:

Hassan, Safiya M. ; Steel, Ronald J. ; El Barkooky, Ahmed...
Sedimentary Geology.  282 (2012)  - p. 241-255 , 2012
Link: https://doi.org/10.1016/..
 
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7

Geologic Map of the Grit Quadrangle, Mason County, Texas:

Hunt, Brian ; Johnson, Brann ; Helper, Mark
https://doi.org/10.18738/T8/NVXCZU.  , 2021
Link: https://doi.org/10.18738..
 
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8

Tracking Deep Sediment Underplating in a Fossil Subduction ..:

Tewksbury-Christle, Carolyn M ; Behr, Whitney M ; Helper, Mark A
info:eu-repo/semantics/altIdentifier/doi/10.1029/2020GC009463.  , 2021
Link: https://hdl.handle.net/2..
 
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9

A monumental cemetery built by eastern Africa's first herde..:

Hildebrand, Elisabeth A ; Grillo, Katherine M ; Sawchuk, Elizabeth A...
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6130363/.  , 2018
Link: http://www.ncbi.nlm.nih...
 
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10

Presentation: True Gems: Origins and Identification:

Helper, Mark ; Environmental Science Institute
True Gems: Origins and Identification.  , 2000
Link: http://hdl.handle.net/21..
 
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11

Structural, Metamorphic and Geochronologic Constraints on t..:

Helper, Mark
https://doi.org/10.18738/T8/EGK0HB.  , 1985
Link: https://doi.org/10.18738..
 
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12

List of Contributors:

, In: Interventional Spine,
Abbasi, Arjang ; Abdel-Moty, Elsayed ; Abdi, Salahadin... - p. ix-xv , 2008
Link: https://doi.org/10.1016/..
 
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13

Screening for Barrett's esophagus in colonoscopy patients w..:

Rex, Douglas K ; Cummings, Oscar W ; Shaw, Michael...
Gastroenterology.  125 (2003)  6 - p. 1670-1677 , 2003
Link: https://doi.org/10.1053/..
 
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14

Colonoscopic miss rates of adenomas determined by back-to-b..:

Rex, DK ; Cutler, CS ; Lemmel, GT...
Gastroenterology.  112 (1997)  1 - p. 24-28 , 1997
Link: https://doi.org/10.1016/..
 
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