43 CFR 2805.15 – What rights does the United States retain?
The United States retains and may exercise any rights the grant does not expressly convey to you. These include BLM’s right to:
(a) Access the lands covered by the grant at any time and enter any facility you construct on the right-of-way. BLM will give you reasonable notice before it enters any facility on the right-of-way;
(b) Require common use of your right-of-way, including facilities (see § 2805.14(b)), subsurface, and air space, and authorize use of the right-of-way for compatible uses.You may not charge for the use of the lands made subject to such additional right-of-way grants;
(c) Retain ownership of the resources of the land, including timber and vegetative or mineral materials and any other living or non-living resources. You have no right to use these resources, except as noted in § 2805.14(e) of this subpart;
(d) Determine whether or not your grant is renewable; and
(e) Change the terms and conditions of your grant as a result of changes in legislation, regulation, or as otherwise necessary to protect public health or safety or the environment.