Whaleback Shell Midden
A thousand years of Native American seafood dinners
These two men are standing next to the Whaleback Shell Midden
in Damariscotta in 1886. The pile of oyster shells was once
more than thirty feet deep.
Shell middens (also often called "shell heaps,"
and "shell mounds") are rubbish dumps left by prehistoric
peoples, usually in coastal areas. They consist mainly of
discarded shells along with related cultural materials, such
as bones, ceramic pots, and stone tools. Middens can range
in size from thin scatterings of shells along the shore to
deep, layered accumulations like the ones here, which have
built up over many, many years.
 Because
of the calcium carbonate content of the shells, middens tend
to be alkaline, which reduces soil acidity that otherwise
quickly destroys shells, bones and other discarded materials.
Animal remains may be preserved over long periods of time
and their analysis gives archaeologists valuable clues as
to the climate, season, hunting patterns, and other conditions
existing during periods when a site was occupied. Artifacts
found in middens also help archaeologists set dates for when
the middens were created and better understand the technologies
and way of life of the ancient peoples that built them.
The upper Damariscotta River is famous for its enormous oyster
shell heaps, also called middens. Native Americans created
the middens over a period of about a thousand years, between
2,200 and 1,000 years ago.
The east side of the Damariscotta River once contained an
enormous shell heap named Whaleback because of its shape.
Much of this midden was removed in the late 1880s to supply
a factory built here to process the oyster shells into chicken
feed. As a result, only a small portion of Whaleback remains
today.
Managed in cooperation with the Damariscotta
River Association, the area around the midden is now a
State Historic Site that includes a small hiking trail an
dbeautiful views of the river. A series of interpretive panels
helps inform visitors about the history of the area.
Who Built the Middens?
There is archaeological evidence that early Indians lived,
hunted, and fished on the upper Damariscotta River at least
five thousand years ago, if not earlier. The people who built
our great shell heaps came later, however. Archaeologists
think they were ancestors of the Etchemins--who were here
to meet the first European explorers in the early 1600s--and
that they migrated northward into this part of the Maine area
sometime between 3,000 and 2,500 years ago.
The most important innovation introduced by these new arrivals
was the art of making pottery vessels designed for cooking
food and other purposes. Because of this new and distinguishing
skill, experts today designate the time span from roughly
2,700 years ago until the introduction of European influences
in the late 1500s and early 1600s as the "Ceramic Period"
in Maine's archaeological history.
Carbon tests made on shells from the middens establish that
the oysters were harvested here roughly between 2,200 and
1,000 years ago. Stone artifacts and pottery fragments that
have been found reflect materials, techniques, designs and
decorations characteristic of several distinct stages of the
Ceramic Period.
Study of the many bones found among the shells shows that
the midden-builders were skilled hunters and fishermen with
a well-rounded diet that included large game, different kinds
of fish, and wild birds. Then as now, the annual arrival of
alewives was an important event.
From analysis of the growth patterns of oyster shells, deer
antlers, and other indicators, archaeologists conclude that
oysters were harvested only during the winter and early spring.
Then, perhaps following the annual alewife run in mid-May,
the Indians apparently moved on to other hunting grounds for
the rest of the year. No signs of a permanent settlement have
been found.
What's Hidden in a Midden?
While searching through a midden may not seem like the most
glamorous thing in the world, they do provide many clues to
man's early relationship with the sea and its cultural and
historical significance in their affairs. In searching through
a shell midden, an archaeologist pays attention to the kinds
of shells, where they were found and the fine details of their
condition, often performing microscopic or chemical analysis.
From these examinations, archaeologists can infer how people
used the items, the value they placed on them, how they prepared
them, where they collected them and sometimes, what the general
climate was like in the locations where the shells were growing.
Taking all these things together, archaeologists can piece
together a pretty good picture of the every day life of these
people.
In 1886, as preparations were being made to mine the Whaleback
midden, the Peabody Museum at Harvard University purchased
the rights to all prehistoric materials that were uncovered
and hired Damariscotta "antiquarian" A.T. Gamage
to oversee the process. Daily for six months, from June through
November, Mr. Gamage labored alongside the mining workers.
He carefully logged and mapped the location of items found
as the shells were removed, then boxed them up and sent them
to the museum.
Among his discoveries were a number of stone artifacts such
as arrow and ax heads. Many fragments of broken ceramic pots,
often decorated, were discovered at all layers of the shell
heap. And beside oyster and other kinds of mollusk shells
there were many various mammal, bird and fish bones--some
from creatures that no longer exist, at least in the Damariscotta.
Along with bones of deer, moose, bears, raccoons, seals,
eider ducks, and loons, Gamage discovered remains of shad,
sturgeon, very large codfish, as well as of sea mink and the
great auk, a flightless seabird. The latter two have both
been extinct since the 1800s. He also collected alewife, eel,
and tomcod bones--fish still found in the river today. Some
of the oysters shells he shipped to the museum were more than
a foot long!
The mining operation also uncovered the remains of at least
14 humans and several dog burials as well.
Mining Whaleback
Since European settlement, area residents have viewed the
Damariscotta River's shell middens as a resource to be used.
In 1692, English stone masons built Fort
William Henry at Colonial
Pemaquid with lime produced from Whaleback's shells. Later,
residents used the shells as fertilizer and fill for roads
as well as other uses.
These early uses did not compare, however, to the larger-scale
industry here in 1886. Incredible as it may seem by today's
preservation standards, that mining effort largely destroyed
the huge Whaleback Midden to produce an additive fed to chickens
to strengthen their egg shells.
The mining business, Massachusetts-based Damariscotta Shell
and Fertilizer Company, built several structures here to house
this work. The structures contained a fertilizer factory,
mill (or grinder), dryer (including a furnace), well, and
storehouse. Workers packed and shipped more than 200 tons
of shells during the operation, with much of the mining apparently
completed in the first year. Indeed, after only three months,
Abram Gamage wrote: "The shell heap is dwindling away
and after this month the grandeur of the heap will be so far
gone as not to be worth going to see."
The buildings burned in 1891 and the operation was abandoned.
Before the company's mining activities, Whaleback Midden extended
400 feet uphill from the river bank and was up to 15 feet
deep. Afterward, only a small portion remained.
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