* **HorizonsStack:** Update with changes from StratigraphicUnitsStack to HorizonsStack. ([bdb8959](https://github.com/Geode-solutions/OpenGeode-GeosciencesIO/commit/bdb8959375825eb422087f408dac52eae781442e))
* **HorizonsStack:** Update with changes from StratigraphicUnitsStack to HorizonsStack. ([bdb8959](https://github.com/Geode-solutions/OpenGeode-GeosciencesIO/commit/bdb8959375825eb422087f408dac52eae781442e))
* **Gocad:** require ModelBoundaries to be defined ([dad0e45](https://github.com/Geode-solutions/OpenGeode-GeosciencesIO/commit/dad0e4552ea38c9e5fe8f565580f836a1f70df5c))
* **Gocad:** require ModelBoundaries to be defined ([dad0e45](https://github.com/Geode-solutions/OpenGeode-GeosciencesIO/commit/dad0e4552ea38c9e5fe8f565580f836a1f70df5c))