@article{callahan_berber_2022,  title={Vertical accuracy of the USGS 3DEP program data: study cases in Fresno County and in Davis, California},  volume={28},  ISSN={1982-2170},  url={https://doi.org/10.1590/s1982-21702022000100004},  DOI={10.1590/s1982-21702022000100004},  number={1},  journal={Boletim de Ciências Geodésicas},  publisher={Universidade Federal do Paraná},  author={Callahan, Daniel and Berber, Mike Mustafa},  year={2022},  pages={e2022004} }