| LC control no. | sh 88004697 |
|---|---|
| LC classification | QC879.7 QC879.73 |
| Topical heading | Ozone layer depletion |
| Variant(s) | Depletion of ozone layer Depletion of stratospheric ozone Ozone hole Ozone layer--Depletion Ozone layer--Reduction Reduction of ozone layer Reduction of stratospheric ozone |
| Found in | NASA (Ozone depletion; UF Ozone hole) Hennepin. |
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