Prehistoric Trackways Study Act of 1990

[AI summary unavailable — showing source text] Prehistoric Trackways Study Act of 1990 - Withdraws approximately 40 acres in the Robledo Mountains in New Mexico from the operation of public land laws, except for mineral leasing, for up to two years after conclusion of the study mandated by this Act. Directs the Secretary of the Interior to conduct a study of the alternatives for the protection and interpretation of the fossil resources of the Robledo Mountains. Authorizes appropriations.…