نصب راسل كيف الوطنى (Russell Cave National Monument) هوا كهف فى امريكا.[2][3][4][5][6]
نصب راسل كيف الوطنى موجود فى منطقه اداريه اسمها مقاطعه جاكسون.
اقرا اكتر[تعديل]
- ↑ المؤلف: جون كينيدى — العنوان : Establishing Russell Cave National Monument, Alabama
- ↑ "How Caves Form — NOVA | PBS". www.pbs.org. Retrieved 2021-02-03.
- ↑ Emil (2008). The Cave Book (in الإنجليزية). New Leaf Publishing Group. ISBN 978-0-89051-496-2.
- ↑ "Archive copy". www.caverbob.com. Archived from the original on 2019-06-08. Retrieved 2021-02-03.
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: CS1 maint: archived copy as title (link)
- ↑ "Archive copy". www.caverbob.com. Archived from the original on 2017-10-28. Retrieved 2021-02-03.
{{cite web}}
: CS1 maint: archived copy as title (link)
- ↑ Fazenda, Bruno; Scarre, Chris; Till, Rupert; Pasalodos, Raquel Jiménez; Guerra, Manuel Rojo; Tejedor, Cristina; Peredo, Roberto Ontañón; Watson, Aaron; Wyatt, Simon (2017-09-01). "Cave acoustics in prehistory: Exploring the association of Palaeolithic visual motifs and acoustic response". The Journal of the Acoustical Society of America. 142 (3): 1332–1349. doi:10.1121/1.4998721. ISSN 0001-4966.