What is walnut grove map?

As an AI language model, I do not have access to a specific walnut grove map. However, generally speaking, a walnut grove map would provide information on the location and layout of walnut groves. It may also include details such as the size of the groves, the types of trees growing there, and any notable features or landmarks within the area. Additionally, a walnut grove map could indicate the boundaries of the groves and any paths or trails for access.