The design of linings in gypsiferous soils is a special subject and calls for virtually zero seepage.    From Wordnik.com.  [Chapter 13] Reference

An expedient adopted in some gypsiferous areas is to construct the channel as a reinforced flume, elevated on pedestals.    From Wordnik.com.  [Chapter 9] Reference

Deterioration at initially small seepage sites can be aggravated by particular circumstances, notably the presence of gypsiferous soils behind the lining or the activity of crabs.    From Wordnik.com.  [Chapter 13] Reference

They were laid in gypsiferous clay, a mass of which lay close to the southwest corner.    From Wordnik.com.  [Unknown Mexico, Volume 1 (of 2) A Record of Five Years' Exploration Among the Tribes of the Western Sierra Madre; In the Tierra Caliente of Tepic and Jalisco; and Among the Tarascos of Michoacan] Reference

This result is attributed to the connection of the lake with rocks of the gypsiferous series.    From Wordnik.com.  [The Seven Great Monarchies Of The Ancient Eastern World, Vol 1. (of 7): Chaldaea The History, Geography, And Antiquities Of Chaldaea, Assyria, Babylon, Media, Persia, Parthia, And Sassanian or New Persian Empire; With Maps and Illustrations.] Reference

Still proceeding on our way, we find that the orange sandstone is cut in two by a group of firm, calcareous strata, and the lower bed is underlaid by soft, gypsiferous shales.    From Wordnik.com.  [Canyons of the Colorado] Reference

The soil too is often gypsiferous, and its salt and nitrous exudations destroy vegetation; while at the same time the streams and springs are from the same cause for the most part brackish and unpalatable.    From Wordnik.com.  [The Seven Great Monarchies Of The Ancient Eastern World, Vol 2. (of 7): Assyria The History, Geography, And Antiquities Of Chaldaea, Assyria, Babylon, Media, Persia, Parthia, And Sassanian or New Persian Empire; With Maps and Illustrations.] Reference

They go over the interior surface of the walls, breaking off projections and filling up the interstices with small stones, and then they smoothly plaster the walls and the inside of the hatchway with mud, and sometimes whitewash them with a gypsiferous clay found in the neighborhood.    From Wordnik.com.  [Eighth Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1886-1887, Government Printing Office, Washington, 1891] Reference