Thedateofpreviousdevelopmentpermitissuanceconstitutes the date of previousdevelopment, butpermit issuance in itselfdoes notconstitute previous development.
Nitrogen, methane, helium, water, carbon-oxygen compounds and hydrogen produced from mining, could permit food growth and development of a water supply for lunar inhabitants.
They must also possess an effective management structure, clearly defined boundaries and a sufficiently large area to permit significant sustainable economic development, primarily through tourism.