소개
Research Cave, also known as the Arnold Research Cave and the Saltpetre Cave, and designated by the Smithsonian trinomial 23CY64, is a major Native American archaeological site near Portland, Missouri. Investigation of the site has uncovered evidence of human habitation as far back as 8,000 years. The site was designated a National Historic Landmark in 1964; it has been recommended for de-designation due to looting.
주요 정보
- 분류
- 유적지
- 지정 등급
- 국가역사기념물 (NHL)
- 지정 연도
- 1966
- 소재 주
- 미주리
Wikidata 원본 보기
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