Listed on the National Register of Historic Places in 1989. 16 historic topographic surveys show this location, the earliest from 1893.
One of 686 National Register listings published here for Worcester County · listed in 1989 · category: District.
Sources: 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 61 fires within 5 miles of Ayer Main Street Historic District between 2013 and 2020, burning about 473 acres in total. None started naturally. 1 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 | 25 |
| Missing data/not specified/undetermined | 21 |
| Recreation and ceremony | 5 |
| Smoking | 4 |
| Equipment and vehicle use | 3 |
| Railroad operations and maintenance | 2 |
| Arson/incendiarism | 1 |
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 |
|---|---|---|---|---|
| 26 September 2020 | Debris and open burning | under an acre | Massachusetts Bureau of Forest Fire Control | not named |
| 20 September 2015 | Railroad operations and maintenance | under an acre | Massachusetts Bureau of Forest Fire Control | not named |
| 1 September 2017 | Smoking | under an acre | Massachusetts Bureau of Forest Fire Control | not named |
| 30 August 2015 | Recreation and ceremony | under an acre | Massachusetts Bureau of Forest Fire Control | not named |
| 27 August 2017 | Smoking | under an acre | Massachusetts Bureau of Forest Fire Control | not named |
| 5 July 2016 | Recreation and ceremony | under an acre | Massachusetts Bureau of Forest Fire Control | not named |
| 3 July 2015 | Railroad operations and maintenance | under an acre | Massachusetts Bureau of Forest Fire Control | not named |
| 23 July 2016 | Recreation and ceremony | 1.3 acres | Massachusetts Bureau of Forest Fire Control | ANDOVER |
Regional context, not property-specific evidence. The federal mineral resources record lists 7 workings within 5 miles of Ayer Main Street Historic District: 5 past producers, 1 occurrence, 1 producer. 1 still produces. What was taken out: Sand and Gravel, Construction, Kyanite. 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 |
|---|---|---|---|---|
| Oak Hill Andalusite Occurrence | Kyanite | Occurrence | Metamorphic | |
| Hazen Pit | Sand and Gravel, Construction | Past Producer | ||
| Joy Contracting Tc | Sand and Gravel, Construction | Past Producer | Sedimentary | |
| San Vel Contracting Co | Sand and Gravel, Construction | Past Producer | Sedimentary | |
| San Vel Pit & Plant | Sand and Gravel, Construction | Producer | ||
| Shirley Pit | Sand and Gravel, Construction | Past Producer | ||
| Willow Pit | Sand and Gravel, Construction | Past Producer |
United States Geological Survey topographic sheets whose coverage includes this point. Matched by taking the middle of the area the National Park Service maps for this listing, then testing that coordinate against the published boundary of every sheet.
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 |
|---|---|---|---|
 | Harvard Shaker Village Historic District | 2.4 miles | 1989 |
 | Fruitlands | 3.6 miles | 1974 |
 | Fruitlands Museums Historic District | 4.0 miles | 1997 |
 | Harvard Center Historic District | 4.2 miles | 1997 |
 | Frederick Fiske and Gretchen Osgood Warren House | 4.9 miles | 1996 |
 | Still River Baptist Church | 4.9 miles | 1996 |
| National Archives record | The nomination case file for reference 88000193 in Record Group 79. |
| Wikipedia article | Community-written account of this property, licensed CC BY-SA. |
| Worcester County | All 686 listed properties in this county. |
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