Minning Refinery Pit Minerals Souvenir Sheet of 4 Stamps MNH Deer This corresponds to the date

This corresponds to the date of the solstice on the Roman calendar

4th Century A

First Day Cover Postcard Bird Pastro Onychognatus Fulgidus 1983

The Convention also declared that there is no justification for racial discrimination

Russia CCCP Transportation Airplane Individual Stamp Mint NH

Minning Refinery Pit Minerals Souvenir Sheet of 4 Stamps MNH Deer This corresponds to the dateMinning Refinery Pit Souvenir Sheet of 4 Stamps MNH Mining is the extraction of valuable minerals or other geological materials from the Earth, usually from an ore body, lode, vein, seam, reef or placer deposit. These deposits form a mineralized package that is of economic interest to the miner. Ores recovered by mining include metals, coal, oil shale, gemstones, limestone, chalk, dimension stone, rock salt, potash, gravel, and clay. Mining is