Areas available for Exploration Concessions.
Article 42
ART. 42. Areas available for Exploration Concessions.— Exploration Concessions may be granted on any lands within the Free, and National Reserve, Areas which are not covered by valid and existing Exploration or Exploitation Concessions, or by Petroleum Drilling Leases acquired under the Petroleum Act (Act No. 2932), or by petroleum mining claims located and held under the Act of July first, nineteen hundred and two, as amended.