record
| Common Name | County | Date | Observer(s) | Number | Comments |
| 1 Olympia Marble | Madison | 2024-03-16 | Rob Van Epps | 1 | |
| 2 Olympia Marble | Madison | 2024-03-16 | Kevin Metcalf | 1 | |
| 3 Olympia Marble | Madison | 2023-04-05 | M.J. Krotzer | 1 | |
| 4 Olympia Marble | Madison | 2023-03-29 | P. Dixon, M. Kastner, et al. | 2 | |
| 5 Olympia Marble | Madison | 2023-03-24 | W. Stuart, L. Arent | 2 | |
| 6 Olympia Marble | Madison | 2023-03-23 | P. Dixon, L. Arent | 6 | |
| 7 Olympia Marble | Madison | 2023-03-16 | Dixon, Rayburn, Lankford | 8 | |
| 8 Olympia Marble | Madison | 2023-03-07 | P. Dixon | 2 | |
| 9 Olympia Marble | Madison | 2022-04-14 | Loy Xingwen | 1 | |
| 10 Olympia Marble | Madison | 2022-04-04 | G. Lankford et al. | 4 | |
| 11 Olympia Marble | Madison | 2022-04-03 | D. Carter | 3 | |
| 12 Olympia Marble | Madison | 2022-03-31 | P. Dixon | 2 | |
| 13 Olympia Marble | Madison | 2022-03-21 | P. Dixon | 2 | |
| 14 Olympia Marble | Madison | 2022-03-15 | P. Dixon | 2 | |
| 15 Olympia Marble | Madison | 2021-04-12 | J. Hansen, P, Dixon, et al. | 3 | |
| 16 Olympia Marble | Madison | 2021-04-04 | P. Dixon | 3 | |
| 17 Olympia Marble | Madison | 2021-03-30 | P. Dixon | 1 | |
| 18 Olympia Marble | Madison | 2021-03-21 | P. Dixon | 3 | |
| 19 Olympia Marble | Madison | 2020-04-28 | P. Dixon | 1 | |
| 20 Olympia Marble | Madison | 2020-03-27 | Dixon, Lankford | 6 | |
| 21 Olympia Marble | Madison | 2020-03-26 | P. Dixon | 1 | |
| 22 Olympia Marble | Madison | 2020-03-25 | P. Dixon | 4 | |
| 23 Olympia Marble | Madison | 2020-03-19 | P. Dixon | 6 | |
| 24 Olympia Marble | Madison | 2020-03-18 | P. Dixon | 1 | |
| 25 Olympia Marble | Madison | 2020-03-16 | P. Dixon | 1 | |
| 26 Olympia Marble | Madison | 2019-04-16 | Dixon, Lankford | 1 | |
| 27 Olympia Marble | Madison | 2019-04-03 | Dixon, Lankford et al. | 4 | |
| 28 Olympia Marble | Madison | 2019-03-28 | P. Dixon | 9 | |
| 29 Olympia Marble | Madison | 2019-03-27 | P. Dixon | 2 | |
| 30 Olympia Marble | Madison | 2019-03-23 | P. Dixon | 1 | |
| 31 Olympia Marble | Madison | 2019-03-20 | P. Dixon | 4 | |
| 32 Olympia Marble | Madison | 2019-03-17 | P. Dixon | 4 | |
| 33 Olympia Marble | Madison | 2019-03-15 | P. Dixon | 1 | |
| 34 Olympia Marble | Madison | 2018-04-14 | E. Shaw | 2 | |
| 35 Olympia Marble | Madison | 2018-04-13 | Lankford and party | 1 | |
| 36 Olympia Marble | Madison | 2018-04-11 | D. Carter | 1 | |
| 37 Olympia Marble | Madison | 2018-04-01 | S. Halling | 1 | |
| 38 Olympia Marble | Madison | 2018-03-31 | Halling, Schepker | 1 | |
| 39 Olympia Marble | Madison | 2018-03-29 | P. Dixon | 2 | |
| 40 Olympia Marble | Madison | 2018-03-28 | Lankford et al. | 7 | |
| 41 Olympia Marble | Madison | 2017-04-10 | G. Lankford party | 4 | |
| 42 Olympia Marble | Madison | 2017-03-29 | G. Lankford party | 6 | |
| 43 Olympia Marble | Madison | 2016-04-17 | Johnston, Lankfor | 1 | |
| 44 Olympia Marble | Madison | 2014-04-17 | G. Lankford et al. | 2 | |
| 45 Olympia Marble | Madison | 2014-04-11 | G. Schepker et al. | 3 | |
| 46 Olympia Marble | Madison | 2014-04-10 | G. Schepker | 1 | |
| 47 Olympia Marble | Madison | 2014-04-02 | G. Lankford | 7 | |
| 48 Olympia Marble | Madison | 2013-04-13 | R. Young | 5 | |
| 49 Olympia Marble | Madison | 2013-04-09 | G. Lankford | 8 | |
| 50 Olympia Marble | Madison | 2013-04-01 | D. Johnston | 8 | |
| 51 Olympia Marble | Madison | 2012-04-12 | G. Lankford | 3 | |
| 52 Olympia Marble | Madison | 2012-04-09 | Pippen, Cook | 1 | |
| 53 Olympia Marble | Madison | 2012-04-08 | D. Carter | 1 | |
| 54 Olympia Marble | Madison | 2012-04-07 | D. Carter | 5 | |
| 55 Olympia Marble | Madison | 2011-04-23 | HEL, D. Carter | 4 | |
| 56 Olympia Marble | Madison | 2011-04-19 | K. Caldwell | 1 | |
| 57 Olympia Marble | Madison | 2011-04-17 | Lynch, Caldwell | 4 |