Humboldt Cave
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Humboldt Cave is an archeological site in
Churchill County, Nevada Churchill County is a county in the western U.S. state of Nevada. As of the 2020 census, the population was 25,516. Its county seat is Fallon. Named for Mexican–American War hero brevet Brigadier General Sylvester Churchill, the county wa ...
. Thirty-one caches were excavated from the cave, but there is only one radiocarbon date of 1953±175 14C BP (~2000 years ago) from the cave, which suggests that Humboldt Cave may have only been a single cultural component. In other words, the caches from the cave may have only been deposited once and at the same time.


Description

Humboldt Cave is a dry cave which was first excavated by archeologists in 1936. The cave's environment preserved artifacts including fiber and skin garments, bags and mats. Other artifacts found in the cave have documented contact with cultures in what were in what is now Arizona and California. The cave was formed by vertical faulting in a cliff face, which was periodically flooded by
Lake Lahontan Lake Lahontan was a large endorheic Pleistocene lake of modern northwestern Nevada that extended into northeastern California and southern Oregon. The area of the former lake is a large portion of the Great Basin that borders the Sacramento Riv ...
. The flooding deposited
tufa Tufa is a variety of limestone formed when carbonate minerals precipitate out of water in unheated rivers or lakes. Geothermally heated hot springs sometimes produce similar (but less porous) carbonate deposits, which are known as travertin ...
over the cave's surfaces, preserving them from erosion. The remains of the lake, now known as
Humboldt Sink The Humboldt Sink is an intermittent dry lake bed, approximately 11 mi (18 km) long, and 4 mi (6 km) across, in northwestern Nevada in the United States. The body of water in the sink is known as Humboldt Lake. The sink and it ...
, are below the cave, away. The cave opening is about high and wide, widening to inside, with a depth of about . In addition to humans, the cave was also inhabited by bats, whose
guano Guano (Spanish from qu, wanu) is the accumulated excrement of seabirds or bats. As a manure, guano is a highly effective fertilizer due to the high content of nitrogen, phosphate, and potassium, all key nutrients essential for plant growth. G ...
was to in depth on the cave's floor before excavation.


Excavation

Humboldt Cave was excavated in 1936 by
Robert F. Heizer Robert Fleming Heizer (July 13, 1915 – July 18, 1979) was an Archaeology, archaeologist who conducted extensive Field research, fieldwork and reporting in California, the Southwestern United States, and the Great Basin. Background Robert Flemi ...
of the
University of California, Berkeley The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California) is a public land-grant research university in Berkeley, California. Established in 1868 as the University of California, it is the state's first land-grant un ...
. ''The Archaeology of Humboldt Cave, Churchill County, Nevada'' was not published until 1956. Heizer concluded that the remote location relative to the lake and marshes made Humboldt Cave a temporary refuge rather than a permanent residence. Initial stages of excavation concentrated on improving access by widening the cave's opening. The cave was surveyed and divide into twelve sections wide by the width of the cave for individual excavation. Sections were excavated in increments. Apart from fur, feather, bone, wood and horn that had been damaged by insects and rodents, artifacts were recovered in near-perfect condition. A total of about of deposits were removed from the cave. No significant evidence of distinct occupation levels was apparent. Heizer proposed that Humboldt Cave's occupants corresponded to those of the later or upper levels of Lovelock Cave. The cave had been occupied by
pack rats A pack rat or packrat, also called a woodrat or trade rat, are any species in the North and Central American rodent genus ''Neotoma''. Pack rats have a rat-like appearance, with long tails, large ears, and large, black eyes. Pack rats are notice ...
, who filled any available space with gathered material, which included artifacts, particularly in a low hollowed space that the excavators called the "South Alcove." Pack rats jumbled much of the material, as was illustrated when, during excavation, a wool sweater was left in the cave. Rats shredded the sweater and took the pieces into the alcove, where parts of sweater were recovered all the way to the solid cave floor during later excavation.


Artifacts

The most significant artifacts recovered during the excavation were usually found in one of 31 cache pits dug into the cave floor by the inhabitants. The pits were lined with worn-out baskets, pieces of baskets, or grass. Cache 13 in particular, called by excavators the "shaman's cache," yielded a birdskin robe, pouches, waterfowl bones and skins, hawk feathers and a stuffed
canvasback The canvasback (''Aythya valisineria'') is a species of diving duck, the largest found in North America. Taxonomy Scottish-American naturalist Alexander Wilson described the canvasback in 1814. The genus name is derived from Greek ''aithuia'', ...
duck head. The robe was believed to have originally been feathered, the feathers having been extensively damaged by insects while buried. Heizer speculated that the cache's contents might have been curative tokens, or could simply have been used to make decoys. A number of shaped sickles fashioned from
bighorn sheep The bighorn sheep (''Ovis canadensis'') is a species of sheep native to North America. It is named for its large horns. A pair of horns might weigh up to ; the sheep typically weigh up to . Recent genetic testing indicates three distinct subsp ...
horns were also recovered.Heizer, Kreiger, p. 15 Humboldt Cave was placed on the
National Register of Historic Places The National Register of Historic Places (NRHP) is the United States federal government's official list of districts, sites, buildings, structures and objects deemed worthy of preservation for their historical significance or "great artistic ...
on March 16, 1976. It was included due to its significance as a prehistoric archaeological site and for its importance as a training ground for students of archaeology.


References


External links

{{Navbox prehistoric caves Churchill County, Nevada Archaic period in North America Archaeological sites on the National Register of Historic Places in Nevada Caves of Nevada National Register of Historic Places in Churchill County, Nevada