this site was very helpful and explained the different types of notches and which ones work best and what is the purpose of them. it helped me decide which notch io wanted to use for my log cabin.
this site was very helpful a lot of information on different ways to connect logs on top of each other and showed a few types of notches. it explained which ones were the best to use.
this website is a all together great place to look and find lots of information on modern log cabins. this particular article tells about notching the logs