AUTHOR=Du Wei , Guo Ming , Lai Jia , Zhang Yang , Ma Yafei , Dun Huoda , Jia Boyuan , Feng Libiao , Li Zhiqiang TITLE=Fitting analysis of the curve of main inclined section of surface subsidence of insufficient mining JOURNAL=Frontiers in Earth Science VOLUME=Volume 13 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2025.1525363 DOI=10.3389/feart.2025.1525363 ISSN=2296-6463