Version 1.1.0 makes the reference dataset easier to reuse and cite.
Changes:
- adds separate material-density and bag-conversion CSV files
- adds a data dictionary and methodology/limitations statement
- adds Zenodo dataset metadata and SHA-256 checksums
- preserves the original cubic-yard coverage CSV and combined JSON
All values remain planning references. Supplier density, moisture, gradation, compaction, and bag fill vary.