Sentence examples for boundaries date from inspiring English sources

It was one of the eight original Chilean provinces created in 1826; its present boundaries date from 1929, and internal administrative structure dates from 1974.

The field boundaries date back several centuries and are marked by walls, cloddiau and hedgerows; important habitats for a variety of wildlife.

The idea to acquire the ranchland to the east and west of the existing park boundaries dates back to 1999 when Bruce Babbitt, an Arizona native who was then the secretary of the interior, approached Mike Ford, the Southwest director for the Conservation Fund, a nonprofit that negotiates deals to protect environmentally sensitive land.

Israel wants to use boundaries dating back to 1923 and the British Mandate, which give the areas to Israel.

The atmospheric fallout from a global catastrophe can be seen today in a geological layer known as the K-T boundary, dated to 66 million years ago.

The 7.4-Ma sequence boundary caps this sequence, and it is the youngest sequence boundary dated in the field.

An abrupt change in sedimentation pattern is recognized across the entire archipelago at a sequence boundary dated as 12.9 13 Ma.

In these cases, the analyses gave similar results when boundary dates ± 1 month were tested.

However, we know of no method to make the choice of boundary dates in a statistically unbiased manner.

These depositional sequences are defined by three sequence boundaries (SB) dated 10.6, 10.36 and 7.4 (Figs. 4, 5) and three maximum flooding surfaces (MSF) dated 11.8, 10.4 and 8.6 Ma (middle Miocene).

The depositional sequences are bounded with sequence boundaries (SB) dated 10.6, 10.36 and 7.4 Ma.