Robert Irwin - Chinati installation in Marfa TX
"Local grass specialist" - link to NY Times article

Palo verde trees in morning sunlight

Palo verde trees in morning sunlight

Grass seed of native grama grasses are sprouting

Grass seed of native grama grasses are sprouting

A few minor adjustments to tree alignment.

A few minor adjustments to tree alignment.

Preparing gravel in inner courtyards and walkways

Preparing gravel in inner courtyards and walkways

Leveling and gravel preparation of entry courtyards

Leveling and gravel preparation of entry courtyards

Soil preparation and leveling - waiting for the trees in inner courtyard

Soil preparation and leveling - waiting for the trees in inner courtyard