Hard landscape materials

https://www.wikidata.org/wiki/Q5655562

Field Hierarchy

Parent
Biology 36.7M papers	Engineering 25.6M papers	Economics 12.7M papers	Environmental science 9M papers
Horticulture 1.8M papers	Civil engineering 868k papers	Environmental resource management 775k papers	Landscape design 15.3k papers
Landscape assessment 4,020 papers
Current
Hard landscape materials 489 papers
Child

Trends

Notes

History