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This time, we will introduce the mystery of the Hadano Basin in Kanagawa Prefecture. [Videos of Kanagawa Prefecture] ・Mysterious Places in Sagamihara City • [Mysterious Places in Kanagawa] ~ How has the Sagami Army Arsenal in Sagamihara City changed? ~ ・Mysterious Places in Yokohama City • [Mysteries of Yokohama City] ~ What is the circular site, the slanted Chinatown, and the largest park? , the city's largest... *Satellite images are processed and used from Google Map and the Geospatial Information Authority of Japan (aerial photos). Elevation maps and standard maps are processed and used from the Geospatial Information Authority of Japan (map tiles). *The map is created by overlaying topographical maps, etc., and visually inspecting and tracing them. Therefore, there may be discrepancies in the locations of rivers and places. Please note. *Please note that this is an individual production, so there may be misreadings, typos, etc. *Old maps (created based on maps from the Geospatial Information Authority of Japan) Konjaku on the web HP https://ktgis.net/kjmapw/ ・Rapid Survey Historical Agricultural Environment Viewing System HP https://habs.rad.naro.go.jp/ *Reference materials ・Active fault map around Hadano City Source: Geospatial Information Authority of Japan (active fault map) Miyauchi Takahiro, Ikeda Yasutaka, Imaizumi Toshifumi, Sato Hiroshi, Togo Masami (2008): 1:25,000 Urban Area Active Fault Map "Hadano 2nd Edition", Geospatial Information Authority of Japan. *Reference materials ・About Shinsei Lake Prefectural Research Association, "Enjoy Kanagawa with Really Amazing Maps", Takarajimasha, 2022 ・The formation of the Hadano Basin, topography, geology, earthquake disaster prevention, disasters, etc. HP https://www5d.biglobe.ne.jp/~kabataf/... Hiratsuka City Museum HP https://www.hirahaku.jp/web_yomimono/...・Kuzuha Square: "Minerals in Te-hula: Kuzuha Square Observation Guide ①" Hadano City Hall website https://www.city.hadano.kanagawa.jp/w... ・Hadano Basin Springs: One of Japan's 100 Greatest Springs website https://www.flair-water.jp/meisui/2081/ ・Ryujin no Izumi: Seasonal tourist information for Hadano website https://www.kankou-hadano.org/pointin... ・About the reason for the large number of springs south of Hadano Station: Japan's Topography, 100 Scenes Plus: "Kanagawa Prefecture: Springs in the Hadano Basin" https://web-gis.jp/GM1000/GM_Red2/GM_... ・About the amount of groundwater in the Hadano Basin: Town News website: "Hadano City: Constant visualization of groundwater information" https://www.townnews.co.jp/0610/2018/...