The Spiro Mounds Bow
In March 2008 I was commissioned by the curator and manager, Dennis Peterson, of the Spiro Mounds Archaeological Park just outside of Spiro, Oklahoma to make a bow and an
arrow that would be representative of those likely used in the ancient mounds there. In particular, the bow would be representative of those that were carved on many of the gorgets found in the mounds. Mr. Peterson required that the bow to be fully functional. Bois d'arc wood was requested to be the raw material wood since that would have been the wood used in the era of the mounds. The gorget image shown here was selected as the style of bow to be followed in the carving.
The unstrung carved bow limbs and mid-section areas are shown here. The bow is 60 inches long from tip to tip with deflexed limbs and reflexed grip area. This bow is very strong--over 70 lbs in draw weight. I did not add carved lines on the limbs as is portrayed on the gorget.

The arrow chosen for this special archery set was made up of a cane river arrow shaft with wild turkey fletching, a dogwood foreshaft, and a flint tip that was a replica of those found in the Mounds. Jim Keen, of Sallisaw, Oklahoma, a highly skilled flintknapper, made the flint tip.

Making the Caddo Bois d'arc Bow
Here are the major steps in making a trusty, hard shooting Caddo bois d'arc bow:
You'll need a hatchet, sharp drawknife, pocketknife and a few wood rasps to fashion the bow. Keep the cutting tools sharp--bois d'arc is very hard and dense and can be
difficult to carve. A well made shaving bench is very useful in clamping the wood while working it. Photographs: Working at an old and a newly built shaving bench with drawknife and bow stave.
Steps:
1. Harvest a limb or trunk of a bois d’arc tree that is about 6 feet long and at least 6 inches in diameter. The log should be straight and without knots.
2. Immediately seal the ends of the log with a common outdoor paint or with other wood sealer. This will keep the log from drying too fast from the end and splitting and possibly ruining much of the log for bow making.
3. After several months, split the log lengthwise into staves that are around 4 inches wide on the bark side. Continue to let the log season for one year. Check the log regularly to see if wood borers are damaging the log. If signs (sawdust) of these borers appear, immediately go to the next step.
4. Using a drawknife, carefully remove the bark and sapwood of the stave and expose the top layer of one of the first growth rings of the stave. This forms the back of the bow. Do not cut across the growth ring grain so that the large bending forces can flow smoothly down the length of the back of the bow. Don’t carve any further on the back. It is good to smooth the back with medium sandpaper at this time to enhance the flow of forces and to expose any small cracks or irregularities that could be a problem.
5. Mark the profile of the bow on the back of the bow and then trim the stave to just outside those lines.
6. Mark the thickness of the bow along the length of the stave and then trim the stave on the belly of the bow to just outside those lines. This forms the roughed out bow.
7. Bend the bow by placing the belly of the bow on one knee and then pulling the ends of the bow with both hands. Observe the bend and estimate the strength of the bow. The bend should approach a circle arc.
8. Remove wood from the belly of the bow to achieve a circle arc and the draw strength desired.
9. Make ¼ inch deep rounded notches on the side of the bow about ¾ inch from the end of the bow for the bow string placement. Keep all corners rounded.
10. String (brace) the bow. Check for bending arc and for strength. Mark the places on the belly where the bend is not proper and then unstring the bow and remove wood from those areas. Restring, check the bend and test the strength, and repeat as needed.
Finishing the Bow
I finish and smooth the bois d'arc bow with sandpaper and scrapers. The hardness and denseness of the wood will allow you to smooth it to a brilliance that allows at some point for the surface to take on a transparency to reveal underlying grain. The only preservative I apply to the smoothed, finished bow is boiled linseed oil. This preservative, which is highly compatible with bois d'arc wood, enhances its lustre and provides a light barrier against moisture. Beef tallow was a coating that many elders used for a final finishing application.