At the base of the Post Office Oak in Council Grove travelers on Santa Fe Trail left messages for incoming and outgoing wagon’s trains. At the base of the tree was a cache for that purpose. This oak was located on the old camp ground of the trailsman known as Madonna Park.
![Print by Margaret Evelyn Whittemore: Post Office Oak, Council Grove [Kansas], represented by Childs Gallery](https://childsgallery.com/wp-content/uploads/margaret_evelyn_whittemore_post_office_oak__council_grove_p1934-64_childs_gallery.webp)
![Print by Margaret Evelyn Whittemore: Rock City [Kansas], represented by Childs Gallery](https://childsgallery.com/wp-content/uploads/margaret_evelyn_whittemore_rock_city__kansas__p1934-48_childs_gallery-250x250.webp)
![Print by Margaret Evelyn Whittemore: Oak Tree [Kansas], represented by Childs Gallery](https://childsgallery.com/wp-content/uploads/margaret_evelyn_whittemore_oak_tree__kansas__p1934-50_childs_gallery-500x500.webp)
![Print by Margaret Evelyn Whittemore: Cowboy Statue, Dodge City [Kansas], represented by Childs Gallery](https://childsgallery.com/wp-content/uploads/margaret_evelyn_whittemore_cowboy_statue__dodge_city__kan_p1934-58_childs_gallery-197x250.jpg)
![Print by Margaret Evelyn Whittemore: Planter's House, Leavenworth [Kansas], represented by Childs Gallery](https://childsgallery.com/wp-content/uploads/margaret_evelyn_whittemore_planters_house__leavenworth___p1934-62_childs_gallery-224x250.jpg)
