Amherst, New Hampshire Granite Quarries                   Return to mindatnh front page.            Click on image for larger view
This page documents the location and appearence of many Amherst, New Hampshire granite quarries. It is probable that there are many more beyond those shown here. Photos taken 2014. Adjacent town, Milford, has many larger granite quarries, one still operational. The old Amherst quarries mostly produced quarried granite for local foundations of barns and farm houses.
Highslide JS
Amherst, NH Topo Map 1
Reference:           Amherst, NH Topo Map 1
Location: Amherst, NH
Notes: Founder's Way (a new development) is not shown on this topo map.
Highslide JS
Amherst, NH Topo Map 2
Reference:           Amherst, NH Topo Map 2
Location: Amherst, NH
Notes: There are many granite quarries on Patch Hill, including several large ones on the south-western (Milford) side. The Milford Quarry Hill Condominiums encircle a large quarry pond in the lower left side of this topo map view.
Highslide JS
Patch Hill Trail Map
Reference:           Patch Hill Trail Map
Location: Amherst, NH
Notes: The Patch Hill Trail and conservation area is accessable of Lyndeborough Rd.
Highslide JS
Founders Way, AQ1      42 deg 51.291 N      71 deg 38.346 W


Highslide JS
Founders Way, AQ1      42 deg 51.291 N      71 deg 38.346 W
Reference:           AQ1 - Off Founder's Way
Location: 42 deg 51.291 N      71 deg 38.346 W
Notes: Two views
Highslide JS
Founders Way, AQ2      42 deg 51.137 N      71 deg 38.757 W
Reference:           AQ2 - Off Founder's Way
Location: 42 deg 51.137 N      71 deg 38.757 W
Notes:
Highslide JS
Pegmatite rock      Roadside, off Founder's Way
Reference:           Pegmatite rock - off Founder's Way
Location: Roadside, off Founder's Way
Notes: Coarse pegmatite dike rock is present in the country gneiss on Patch Hill. Granite quarries avoided these dikes, because this rock could not be split into nice square blocks.
These dikes have sometimes been exposed during recent construction activities. The principal mineral components present here are pink and white feldspar, black biotite mica, and gray quartz. This boulder is about two feet across.
Highslide JS
Gneiss rock      Roadside, Founder's Way
Reference:           Gneiss rock - off Founder's Way
Location: Roadside, off Founder's Way
Notes: A freshly blasted boulder of banded gneiss rock. This is the typical "country rock" of Patch Hill. The boulder is about two feet across. Large bodies of homogeneous gray granite are present in the Patch Hill gneiss. These homogenious granite rock bodies were sought by quarrymen.
Highslide JS
Trail off Founders Way, AQ4      42 deg 51.284 N      71 deg 38.663 W
Reference:           AQ4 - Trail off Founders Way
Location: 42 deg 51.284 N      71 deg 38.663 W
Notes:
Highslide JS
Trail off Founders Way, AQ4      42 deg 51.284 N      71 deg 38.663 W
Reference:           AQ4 - Trail off Founders Way
Location: 42 deg 51.284 N      71 deg 38.663 W
Notes:
Highslide JS
Trail off Founders Way, AQ6      42 deg 51.284 N      71 deg 38.663 W


Highslide JS
Trail off Founders Way, AQ6      42 deg 51.284 N      71 deg 38.663 W
Reference:           AQ6 - Trail off Founders Way
Location: 42 deg 51.385 N      71 deg 38.659 W
Notes: Two views. A large home has been built adjacent to this quarry pond since this 2014 photograph.
Highslide JS
AQ5 - Quarried granite block      Trail off Founder's Way
Reference:           AQ5 - Quarried granite block
Location: Trail off Founder's Way
Notes: The three foot long edge of this quarried grinite block shows the series of drill holes that were bored to split it.
Highslide JS
"Sargent Quarry", AQ8      42 deg 51.317 N      71 deg 36.752 W
Reference:           "Sargent Quarry", AQ7
Location: 42 deg 51.499 N      71 deg 36.596 W
Notes: Off Sargent Quarry Rd.
Highslide JS
"Carter Quarry", AQ8      42 deg 51.317 N      71 deg 36.752 W
Reference:           "Carter Quarry", AQ8
Location: 42 deg 51.499 N      71 deg 36.596 W
Notes: Off Thorntons Ferry Rd. #1
Highslide JS
Patch Hill Trail Quarry, AQ9     42 deg 51.428 N      71 deg 39.357 W
Reference:           Patch Hill Trail Quarry, AQ9
Location: 42 deg 51.428 N      71 deg 39.357 W
Notes:
Highslide JS
Granite block with steel bolts, AQ9     42 deg 51.428 N      71 deg 39.357 W
Reference:           Granite block with steel bolts, AQ9
Location: 42 deg 51.428 N      71 deg 39.357 W
Notes: This granite block with steel bolts was likely the base for the quarry crane, (see AQ11 photos)
Highslide JS
Foundation for workshop, AQ9     42 deg 51.428 N      71 deg 39.357 W


Highslide JS
Foundation for workshop, AQ9     42 deg 51.428 N      71 deg 39.357 W
Reference:           Foundation for workshop, AQ9
Location: 42 deg 51.428 N      71 deg 39.357 W
Notes: Two views
Highslide JS
Commerative Bench, AQ9     42 deg 51.428 N      71 deg 39.357 W
Reference:           Commerative Bench, AQ9
Location: 42 deg 51.428 N      71 deg 39.357 W
Notes:
Highslide JS
Patch Hill Trail Quarry, AQ9a     About 50 yards south of 42 deg 51.428 N      71 deg 39.357 W
Reference:           Patch Hill Trail Quarry, AQ9a
Location: About 50 yards south of 42 deg 51.428 N      71 deg 39.357 W
Notes: There is a second quarry opening about 50 yards south of the AQ9 quarry.
Highslide JS
Patch Hill Trail Quarry, AQ10     42 deg 51.360 N      71 deg 39.384 W
Reference:           Patch Hill Trail Quarry, AQ10
Location: 42 deg 51.360 N      71 deg 39.384 W
Notes: Although this quarry is adjacent to the trail, it is not marked on the Patch Hill Trail map, perhaps it may be on private land.
Most Amherst quarries have remarkably large piles granite waste rock, especially when compared to the size of the quarry pit. One can ponder the effort required to extract good blocks!
Highslide JS
Patch Hill Trail Quarry, AQ11     42 deg 51.184 N      71 deg 39.240 W


Highslide JS
Patch Hill Trail Quarry, AQ11     42 deg 51.184 N      71 deg 39.240 W
Reference:           Patch Hill Trail Quarry, AQ11
Location: 42 deg 51.184 N      71 deg 39.240 W
Notes: Two views. This is the second largest Amherst quarry seen, (AQ6 being the largest).
Highslide JS
Patch Hill Trail Quarry, AQ11 sign     42 deg 51.184 N      71 deg 39.240 W


Highslide JS
Patch Hill Trail Quarry, AQ11 sign     42 deg 51.184 N      71 deg 39.240 W


Highslide JS
Patch Hill Trail Quarry, AQ11 sign     42 deg 51.184 N      71 deg 39.240 W


Highslide JS
Patch Hill Trail Quarry, AQ11 sign     42 deg 51.184 N      71 deg 39.240 W
Reference:           Patch Hill Trail Quarry, AQ11 sign
Location: 42 deg 51.184 N      71 deg 39.240 W
Notes: This informative sign at the quarry was unexpected..
Highslide JS
Patch Hill Trail Quarry, AQ11 Mast of derrick     42 deg 51.184 N      71 deg 39.240 W
Reference:           Patch Hill Trail Quarry, AQ11 Mast of derrick
Location: 42 deg 51.184 N      71 deg 39.240 W
Notes: See sign pictoral.
Highslide JS
Patch Hill Trail Quarry, AQ11 - Compressor     42 deg 51.184 N      71 deg 39.240 W


Highslide JS
Patch Hill Trail Quarry, AQ11 - Compressor     42 deg 51.184 N      71 deg 39.240 W
Reference:           Patch Hill Trail Quarry, AQ11 - Compressor
Location: 42 deg 51.184 N      71 deg 39.240 W
Notes: Two views
Highslide JS
Patch Hill Trail Quarry, AQ11 - Granite block     42 deg 51.184 N      71 deg 39.240 W
Reference:           Patch Hill Trail Quarry, AQ11 - Granite block
Location: 42 deg 51.184 N      71 deg 39.240 W
Notes: A one foot block of homogeneous (quality) gray granite from the AQ11 quarry. (Brown is organic staining.)
Highslide JS
18 inch drills for granite quarrying


Highslide JS
The drill end was a flat tapered wedge.
Reference:           18 inch drills for granite quarrying, tip.
Location:
Notes: From the collection of Tom Mortimer, Amherst, NH
The drill end was a flat tapered wedge.