| Common Name | County | Date | Observer(s) | Number | Comments | Record Type |
| 1 Common Sanddragon [Progomphus obscurus] | Johnston; C | 1985-06-25 | R. Duncan Cuyler | 1 | sex=MALE, directions=sec rd # 1201, habitat=Mill Creek, source=INTERNATIONAL ODONATA RESEARCH INSTITUTE-FSCA | Collect |
| 2 Common Sanddragon [Progomphus obscurus] | Johnston; P | 1973-07-19 | R. Duncan Cuyler | 2 | sex=MALE& FEMALE, city=Clayton, source=R DUNCAN CUYLER COLLECTION-FSCA | Collect |
| 3 Common Sanddragon [Progomphus obscurus] | Johnston; C | ? | Duncan Cuyler | 1 | Donnelly, T.W. 2004. Distribution of North American Odonata. Part I, Part II and Part III | d |