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Natural Soda LLC 2024 Project Status Report & Annual Plan of Development <br /> 18 January 2025 <br />Table 3: List and Status of Wells Associated with NS (continued) (Confidential) <br />Well Name Initial Well Type Current Well <br />Status Section Town- <br />ship Range Latitude <br />(NAD 27) <br />Longitude <br />(NAD 27) <br />Initial <br />TD, <br />(MD, ft) <br />Current <br />TD, <br />(MD, ft) <br />Comments <br />90-4 Hydrology Monitoring Hydrology <br />Monitoring Well 26 1S 98W 39.927654857 108.363040763 1392 1371 Cleaned out to TD <br />August 2021 <br />AG-1 Core Hole <br />2014-25-198-J <br />Hydrology <br />Monitoring Well 25 1S 98W 39.929116963 108.348465043 2061 1487 <br />Cemented up to <br />groundwater <br />monitoring well level <br />AG-2 Hydrology Monitoring Hydrology <br />Monitoring Well 27 1S 98W 39.927814 108.375312 1275 1275 Drilled & Completed <br />August 2021 <br />BG-4 Hydrology Monitoring Hydrology <br />Monitoring Well 26 1S 98W 39.929278506 108.356901248 1999.5 1603 <br />BG-6 (2010- <br />26-198-6C) Core Hole <br />Hydrology <br />Subsidence <br />Monitoring Well <br />26 1S 98W 39.931301816 108.354997679 1978 1577 <br />BG-7 Core Hole <br />2014-25-198-K <br />Hydrology <br />Monitoring Well 25 1S 98W 39.928987896 108.432905289 1967 1593.1 <br />Cemented up to <br />groundwater <br />monitoring well level <br />BG-10 Hydrology Monitoring Hydrology <br />Monitoring Well 27 1S 98W 39.927930 108.375072 1461 1461 Drilled & Completed <br />August 2021 <br />BG-11 Hydrology Monitoring Hydrology <br />Monitoring Well 25 1S 98W 39.929399 108.348929 1685.5 1685.5 Drilled & Completed <br />February 2021 <br />DS-3 Hydrology Monitoring Hydrology <br />Monitoring Well 26 1S 98W 39.929529067 108.360329121 2100 1874.5 <br />Sample pump <br />replaced with NLP in <br />2018 <br />DS-6 Core Hole Hydrology <br />Monitoring Well 35 1S 98W 39.926942000 108.362195000 2962.6 1870 <br />Cemented up to <br />groundwater <br />monitoring well level <br />DS-7 Core Hole <br />Hydrology <br />Subsidence <br />Monitoring Well <br />26 1S 98W 39.932036903 108.362826421 1980 1875 <br />Cemented up to <br />groundwater <br />monitoring well level <br />DS-8 Core Hole <br />2014-26-198-I <br />Hydrology <br />Monitoring Well 26 1S 98W 39.932738295 108.355594975 2000 1881.7 <br />Cemented up to <br />groundwater <br />monitoring well level <br />DS-9 Core Hole <br />2014-25-198-M <br />Hydrology <br />Monitoring Well 25 1S 98W 39.927447860 108.340064803 1916.5 1842 <br />Cemented up to <br />groundwater <br />monitoring well level <br />DS-10 <br />Hydrology <br />Subsidence <br />Monitoring Well <br />Hydrology <br />Subsidence <br />Monitoring Well <br />35 1S 98W 39.92659671 108.35590409 1995 1925 <br />MMC-IRI-1 Core Hole Hydrology <br />Monitoring Well 26 1S 98W 39.927580161 108.363115621 2981 397 <br />Cemented up to <br />groundwater <br />monitoring well level <br />MMC-IRI-4 Core Hole Hydrology <br />Monitoring Well 23 1S 98W 39.942950000 108.355333333 3001 1411 <br />Cemented up to <br />groundwater <br />monitoring well level <br />MMC-IRI-5 Hydrology Monitoring Hydrology <br />Monitoring Well 23 1S 98W 39.943578031 108.355623039 2983 378 <br />MMC-IRI-6 Hydrology Monitoring Hydrology <br />Monitoring Well 23 1S 98W 39.943733333 108.355316667 1878 1394 <br />MMC-IRI-7 Hydrology Monitoring Hydrology <br />Monitoring Well 23 1S 98W 39.943516667 108.356033333 1880 1395 <br />MMC-IRI-11 Core Hole Hydrology <br />Monitoring Well 25 1S 98W 39.931608050 108.336010982 2963 1550 <br />Cemented up to <br />groundwater <br />monitoring well level <br />O-GMW-A Core Hole <br />2014-27-198-O <br />Hydrology <br />Monitoring Well <br />(Inactive) <br />27 1S 98W 39.934483259 108.383446479 1786 1294 <br />Cemented up to <br />groundwater <br />monitoring well level <br />PA-1 Hydrology Monitoring Hydrology <br />Monitoring Well 27 1S 98W 39.927639 108.375175 435 435 Drilled & Completed <br />August 2021 <br />TH75-6A Hydrology Monitoring Hydrology <br />Monitoring Well 14 1S 98W 39.964492958 108.353578053 1260 1260 USGS Well <br />TH75-6B Hydrology Monitoring Hydrology <br />Monitoring Well 14 1S 98W 39.964807700 108.353045189 1755 1755 USGS Well <br />TH75-11A Hydrology Monitoring Hydrology <br />Monitoring Well 20 1S 98W 39.952321958 108.409207410 1080 1080 USGS Well <br />TH75-11B Hydrology Monitoring Hydrology <br />Monitoring Well 20 1S 98W 39.953286260 108.409494700 1498 1498 USGS Well <br />