- Frontier and pioneer life -- Southwest, Old
- Urban forestry -- Southwest, Old
- Monitoring wells -- Southwest, Old -- Periodicals
- Petroleum -- Southwest, Old
- Railroads -- Southwest, Old -- History -- 19th century
- Community forests -- Southwest, Old
- Judges -- Southwest, Old
- Land cover -- Southwest, Old
- Mines and mineral resources -- Southwest, Old
- Water table -- Southwest, Old
- Water levels -- Southwest, Old -- Observations -- Periodicals
- Groundwater -- Southwest, Old
- Nutrient pollution of water -- Southwest, Old
- Groundwater + Measurement -- Southwest, Old -- Periodicals
- Natural gas -- Southwest, Old
- Lawyers -- Southwest, Old
- Groundwater + Pollution -- Southwest, Old
- Forest management + Law and legislation -- Southwest, Old
- Landscape changes -- Southwest, Old
- Artesian wells -- Southwest, Old -- Periodicals
- Granite -- Southwest, Old -- Analysis
- Wildlife habitat improvement -- Southwest, Old
- Artesian wells -- Southwest, Old
- Forest landowners -- Southwest, Old
- River sediments -- Southwest, Old
- Forest management -- Southwest, Old
- Drinking water + Quality -- Southwest, Old
- Forest fires -- Southwest, Old -- Prevention
- Forest canopies -- Southwest, Old
- Water-supply -- Southwest, Old