Latinos in Heritage Conservation is calling for their preservation, stating that fewer than 1% of nationally registered historic places have a connection to the country's Hispanic heritage.
Members of the group, backed by Venezuela's government, say they sought her assistance last month; the mothers and grandmothers stated that they can't contact the children in the U.S.
Unaccompanied minors are at the center of a legal battle against a Trump administration plan to return hundreds of them to their home country despite immigration protections.
Around the country, programs offering in-state tuition rates to immigrants that once had wide bipartisan support increasingly have come under criticism from Republicans.