<|begin_of_text|><|start_header_id|>system<|end_header_id|>

You are an expert at identifying data availability statements in scientific text. A data availability statement describes where research data can be found or how it can be accessed.<|eot_id|><|start_header_id|>user<|end_header_id|>

Determine if the following text contains a data availability statement. Answer with 'yes' or 'no'.

Text: the authors confirm that all data underlying the findings are fully available without restriction. the data is owned and maintained by the national park service and is freely available by contacting: chief of science and natural resources management, sequoia and kings canyon national parks, 47050 generals highway, three rivers, ca 93271-9700, 559-565-3341. the geospatial coverages used belongs to the national park service and can be found online at http://www.usgs.gov/core_science_systems/csas/vip/parks/seki.html. methods for initially analyzing the data can be found in appendix 20b of a natural resource condition assessment for sequoia and kings canyon national parks which can be downloaded at http://www.nature.nps.gov/water/nrca/assets/docs/seki_nrca_final.pdf. subsequent analyses can be obtained by contacting the corresponding author of this paper.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>