He said that a construction date had not been set.

The construction date for line 1 has not yet been published.

This suggests a construction date in the late 16th or early 17th century.

Construction date: not determined at the time of this report.

The house's construction date and original owner are not known.

The exact construction date of the house is not known.

It has traditionally been given a construction date of 1710.

These features indicate a construction date in the 15th century.

From the results of the spring program we will develop financial plans and potential construction dates.

Further historical research will reveal more about the construction date.

The widely used construction date of 1757 for this building has no basis in fact.

The house's initial construction date is traditionally given as 1804-05.

Other researchers believe a later construction date is more probable.

The interior of the home recalls the home's 1820s construction date.

They were there for show, to display the construction date, as tradition.

Articles found on the site indicate a construction date at the end of the 1st century.

However, actual construction dates have not yet been announced for either project as of 2013.

There is currently no construction date, but will most likely start when enough funds have been raised.

The project is still in the planning phase and no construction dates have been set.

Traditional sources long maintained that the construction date of this house was in 1645.

There is currently no construction date for the northern leg.

However, architectural evidence suggests a later construction date, c. 1880.

Although its construction date is unknown, it was formerly used by the military.

The structures are divided into four groups, according to their original use and construction date.

They, and the overall plan, are more suggestive of a circa-1790 construction date.