Stemmed Projectile Points of the Northern Plains Region

Name	Picture	Shape	Size	Cultural Period	Validity
Contracting Stem
Cascade Shouldered		Contracting Stem	Medium to Large	Early to Middle Archaic	Valid Type
Cougar Mountain		Contracting Stem	Medium to Large	Transitional Paleo	Valid Type
Gatecliff		Contracting Stem	Medium	Middle to Late Archaic	Valid Type
Gypsum Cave AKA: Lobo, Park Point		Contracting Stem	Medium	Late Archaic	Valid Type
Kavik Contracting Stem AKA: Kio-Kut and Athapaskan Stemmed		Contracting Stem to Stemmed	Small	Athapaskan Culture	Valid Type
Rose Springs Sloping Shoulder		Stemmed	Small	Late Prehistoric / Developmental	Valid Type
Stemmed
Alberta		Stemmed	Medium to Large	Transitional Paleo to Early Archaic	Valid Type
Archaic Stemmed		Stemmed	Small to Medium	Middle Archaic	Collector Type
Cody Knife		Other to Stemmed	Medium	Transitional Paleo to Early Archaic	Valid Type
Dolores Stemmed		Stemmed	Small	Developmental Pueblo I to Pueblo II	Valid Type
Duncan		Stemmed / Bifurcated	Small to Medium	Middle to Late Archaic	Valid Type
Eden AKA: Yuma		Stemmed	Medium to Large	Transitional Paleo to Early Archaic	Valid Type
Eden Eared		Stemmed	Medium to Large	Transitional Paleo to Early Archaic	Valid Type
Fourth of July Complex		Stemmed to Lanceolate	Medium	Early Archaic	Valid Type
Gatecliff Split Stem		Stemmed to Expanding Stem/ Bifurcated	Medium	Middle to Late Archaic	Valid Type
Hell Gap		Stemmed Lanceolate	Medium to Large	Transitional Paleo	Valid Type
Hollenberg		Stemmed	Medium to Large	Early Archaic	Collector Type
Horse Fly		Stemmed	Medium	Late Archaic	Valid Type
Pinto Basin Barbed Shoulder		Stemmed	Medium	Late Archaic	Valid Type
Pinto Basin Sloping Shoulder		Stemmed	Medium	Late Archaic	Valid Type
Pinto Basin Square Shoulder		Stemmed	Medium	Late Archaic	Valid Type
Pryor		Stemmed to Auriculate	Medium to Large	Mountain Paleo	Valid Type
Rose Springs Stemmed AKA: Desert Stemmed		Stemmed	Small	Late Prehistoric / Developmental	Valid Type
Scottsbluff Type I		Stemmed	Medium to Large	Transitional Paleo	Valid Type
Scottsbluff Type II		Stemmed	Medium to Large	Transitional Paleo	Valid Type
Silver Lake		Stemmed	Small to Medium	Transitional Paleo	Valid Type
Windust Type A		Stemmed	Medium to Large	Transitional Paleo to Early Archaic	Valid Type
Windust Type B		Stemmed	Medium to Large	Transitional Paleo to Early Archaic	Valid Type
Windust Type C		Stemmed	Medium to Large	Transitional Paleo to Early Archaic	Valid Type
Expanding Stem
Boss Hill Corner Notch		Expanding Stem	Medium	Early Archaic	Valid Type
Dolores Expanding Stem		Expanding Stem to Corner Notch	Small	Developmental Pueblo I to Pueblo II	Valid Type
Elko Split Stem		Expanding Stemmed / Bifurcated	Small to Medium	Late to Transitional Archaic	Valid Type
Hanna		Expanding Stem	Medium	Middle to Late Archaic	Valid Type
Hanna Northern AKA: Northern Hanna		Expanding Stem to Side Notch	Medium	Late Archaic	Collector Type
Hawken		Expanding Stem	Medium	Early Archaic	Valid Type
Jensen		Corner Notch to Expanding Stem	Medium	Early Archaic	Provisional Type
Long Creek		Side Notch to Expanding Stem / Bifurcated	Small to Medium	Middle Archaic	Site (area) Specific
Maple Leaf Bitterroot Variant		Expanding Stem to Side Notch	Medium	Middle Archaic	Provisional Type
Mount Albion		Expanding Stem	Medium	Middle Archaic	Valid Type
Munker's Creek		Expanding Stem	Large	Middle to Late Archaic	Valid Type
Mummy Cave		Expanding Stem	Medium	Early to Middle Archaic	Valid Type
Yonkee		Expanding Stem	Medium	Transitional Archaic	Valid Type