Thank you all for the swift replies.<br><br>I already have the libgeos-c1v5 package installed:<br><br><div>$ dpkg -l | grep libgeos-c1v5<br></div><div>ii libgeos-c1v5 3.5.0-1~trusty1 amd64 Geometry engine for Geographic Information Systems - C Library<br></div><br><div>But it is not this package being referenced by libgdal1h. Even making sure apt is installing the version available from UbuntuGIS:<br></div><div><br></div><div>$ apt-cache policy libgdal1h<br></div><div>libgdal1h:<br></div><div> Installed: (none)<br></div><div> Candidate: 1.11.2+dfsg-1~exp2~trusty<br></div><div> Version table:<br></div><div> 1.11.2+dfsg-1~exp2~trusty 0<br></div><div> 500 <a href="http://ppa.launchpad.net/ubuntugis/ubuntugis-unstable/ubuntu/">http://ppa.launchpad.net/ubuntugis/ubuntugis-unstable/ubuntu/</a> trusty/main amd64 Packages<br></div><div> 100 /var/lib/dpkg/status<br></div><div> 1.10.1+dfsg-5ubuntu1 0<br></div><div> 500 <a href="http://ch.archive.ubuntu.com/ubuntu/">http://ch.archive.ubuntu.com/ubuntu/</a> trusty/universe amd64 Packages<br></div><div><br></div><div>There is a direct dependence from libgeos-c1:<br></div><div><br></div><div>$ sudo apt install libgdal1h=1.11.2+dfsg-1~exp2~trusty<br></div><div>Reading package lists... Done<br></div><div>Building dependency tree <br></div><div>Reading state information... Done<br></div><div>Some packages could not be installed. This may mean that you have<br></div><div>requested an impossible situation or if you are using the unstable<br></div><div>distribution that some required packages have not yet been created<br></div><div>or been moved out of Incoming.<br></div><div>The following information may help to resolve the situation:<br></div><div><br></div><div>The following packages have unmet dependencies.<br></div><div> libgdal1h : Depends: libgeos-c1 (>= 3.4.2) but it is not going to be installed<br></div><div>E: Unable to correct problems, you have held broken packages.<br></div><div><br></div><div>What am I missing here? Thank you,<br></div><div><br></div><div>LuÃs<br></div><div><br></div>