Listed on the National Register of Historic Places in 1991.
“The Union Block of Mount Pleasant, Iowa, was built by William McCandless in 1861. Historically it was used as offices and by the county courts.”
Wikipedia article Union Block (Mount Pleasant, Iowa), CC BY-SA 4.0.
One of 54 National Register listings published here for Henry County · listed in 1991 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service · the Wikipedia article
Regional context, not property-specific evidence. The federal wildfire occurrence database lists 3 fires within 5 miles of Union Block between 2013 and 2017, burning about 31 acres in total. None started naturally. None was recorded as arson. Distance is straight-line from the map coordinates, so a fire counted here may appear on a neighbouring settlement's page as well.
| Reported cause | Fires |
|---|---|
| Debris and open burning | 3 |
The most recent of them, most recent first, with the day each was reported and the service that recorded it.
| Date | Cause | Size | Reported by | Name on the report |
|---|---|---|---|---|
| 6 February 2017 | Debris and open burning | 20 acres | Iowa Department of Natural Resources | not named |
| 18 February 2017 | Debris and open burning | 10 acres | Iowa Department of Natural Resources | not named |
| 28 November 2013 | Debris and open burning | 1.0 acres | Iowa Department of Natural Resources | not named |
Regional context, not property-specific evidence. The federal mineral resources record lists 3 workings within 5 miles of Union Block: 2 producers, 1 past producer. 2 still produce. What was taken out: Stone, Crushed/Broken. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.
| Where | Site | Commodity | Status | Recorded |
|---|---|---|---|---|
| Henry County Quarry | Stone, Crushed/Broken | Producer | ||
| Nelson Quarry | Stone, Crushed/Broken | Producer | ||
| Smith Quarry | Stone, Crushed/Broken | Past Producer |
No historic map-sheet match is published for this property yet. That does not mean no map exists. This record needs a coordinate-quality review before it can be joined to a sheet boundary. Browse the county's mapped places while that work is pending.
Other National Register properties close enough to walk or drive between, ordered by distance from this one. Both positions come from the same geocoding pass that matched these properties to their map sheets.
| Photograph | Property | Distance | Listed |
|---|---|---|---|
 | Louisa Building | under 500 feet | 1991 |
| Timmerman-Burd Building | under 500 feet | 1991 | |
 | Henry County Courthouse | under 500 feet | 1981 |
 | Henry County Savings Bank | under 500 feet | 1991 |
 | Harlan House Hotel | under 500 feet | 1987 |
 | National State Bank | under 500 feet | 1991 |
| National Archives record | The nomination case file for reference 91001110 in Record Group 79. |
| Wikipedia article | Community-written account of this property, licensed CC BY-SA. |
| Henry County | All 54 listed properties in this county. |
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