43 CFR §3736.1

1. (a)The Act in section 2(b) provides in part as follows:
2. (b)Upon receipt of a notice of location of a placer claim filed in accordance with § 3734.1 for land subject to location under the act, a determination will be made by the authorized officer of the Bureau of Land Management as to whether placer mining operations on the land may substantially interfere with other uses thereof. If it is determined that placer operations may substantially interfere with other uses, a notice of intention to hold a hearing will be sent to each of the locators by registered or certified mail within 60 days from date of filing of the location notice.